id	sid	tid	token	lemma	pos
35613	1	1	A	a	DT
35613	1	2	PLAN	plan	NN
35613	1	3	FOR	for	IN
35613	1	4	SECURING	secure	VBG
35613	1	5	OBSERVATIONS	observations	RB
35613	1	6	OF	of	IN
35613	1	7	THE	the	DT
35613	1	8	VARIABLE	VARIABLE	NNP
35613	1	9	STARS	star	NNS
35613	1	10	.	.	.
35613	2	1	BY	by	IN
35613	2	2	EDWARD	EDWARD	NNP
35613	2	3	C.	C.	NNP
35613	2	4	PICKERING	PICKERING	NNP
35613	2	5	,	,	,
35613	2	6	DIRECTOR	DIRECTOR	NNP
35613	2	7	OF	of	IN
35613	2	8	THE	the	DT
35613	2	9	HARVARD	HARVARD	NNP
35613	2	10	COLLEGE	COLLEGE	NNP
35613	2	11	OBSERVATORY	OBSERVATORY	NNP
35613	2	12	.	.	.
35613	3	1	CAMBRIDGE	CAMBRIDGE	NNP
35613	3	2	:	:	:
35613	3	3	JOHN	JOHN	NNP
35613	3	4	WILSON	WILSON	NNP
35613	3	5	AND	and	CC
35613	3	6	SON	SON	NNP
35613	3	7	.	.	.
35613	4	1	University	University	NNP
35613	4	2	Press	Press	NNP
35613	4	3	1882	1882	CD
35613	4	4	.	.	.
35613	5	1	A	a	DT
35613	5	2	PLAN	plan	NN
35613	5	3	FOR	for	IN
35613	5	4	SECURING	secure	VBG
35613	5	5	OBSERVATIONS	observations	RB
35613	5	6	OF	of	IN
35613	5	7	THE	the	DT
35613	5	8	VARIABLE	VARIABLE	NNP
35613	5	9	STARS	star	NNS
35613	5	10	.	.	.
35613	6	1	_	_	NNP
35613	6	2	_	_	NNP
35613	6	3	_	_	NNP
35613	6	4	_	_	NNP
35613	6	5	_	_	NNP
35613	6	6	_	_	NNP
35613	6	7	_	_	NNP
35613	6	8	_	_	NNP
35613	6	9	FOR	for	IN
35613	6	10	several	several	JJ
35613	6	11	reasons	reason	NNS
35613	6	12	the	the	DT
35613	6	13	investigations	investigation	NNS
35613	6	14	here	here	RB
35613	6	15	proposed	propose	VBN
35613	6	16	are	be	VBP
35613	6	17	especially	especially	RB
35613	6	18	suited	suit	VBN
35613	6	19	to	to	IN
35613	6	20	observers	observer	NNS
35613	6	21	under	under	IN
35613	6	22	very	very	RB
35613	6	23	various	various	JJ
35613	6	24	conditions	condition	NNS
35613	6	25	.	.	.
35613	7	1	The	the	DT
35613	7	2	work	work	NN
35613	7	3	is	be	VBZ
35613	7	4	capable	capable	JJ
35613	7	5	of	of	IN
35613	7	6	indefinite	indefinite	JJ
35613	7	7	sub	sub	NN
35613	7	8	-	-	NN
35613	7	9	division	division	NN
35613	7	10	.	.	.
35613	8	1	Small	small	JJ
35613	8	2	as	as	RB
35613	8	3	well	well	RB
35613	8	4	as	as	IN
35613	8	5	large	large	JJ
35613	8	6	telescopes	telescope	NNS
35613	8	7	may	may	MD
35613	8	8	be	be	VB
35613	8	9	employed	employ	VBN
35613	8	10	and	and	CC
35613	8	11	many	many	JJ
35613	8	12	observations	observation	NNS
35613	8	13	are	be	VBP
35613	8	14	needed	need	VBN
35613	8	15	which	which	WDT
35613	8	16	can	can	MD
35613	8	17	best	best	RB
35613	8	18	be	be	VB
35613	8	19	made	make	VBN
35613	8	20	with	with	IN
35613	8	21	an	an	DT
35613	8	22	opera	opera	NN
35613	8	23	-	-	HYPH
35613	8	24	glass	glass	NN
35613	8	25	or	or	CC
35613	8	26	field	field	NN
35613	8	27	-	-	HYPH
35613	8	28	glass	glass	NN
35613	8	29	,	,	,
35613	8	30	or	or	CC
35613	8	31	even	even	RB
35613	8	32	with	with	IN
35613	8	33	the	the	DT
35613	8	34	naked	naked	JJ
35613	8	35	eye	eye	NN
35613	8	36	.	.	.
35613	9	1	No	no	DT
35613	9	2	attachment	attachment	NN
35613	9	3	is	be	VBZ
35613	9	4	needed	need	VBN
35613	9	5	to	to	IN
35613	9	6	an	an	DT
35613	9	7	ordinary	ordinary	JJ
35613	9	8	telescope	telescope	NN
35613	9	9	,	,	,
35613	9	10	so	so	IN
35613	9	11	that	that	IN
35613	9	12	no	no	DT
35613	9	13	additional	additional	JJ
35613	9	14	expense	expense	NN
35613	9	15	on	on	IN
35613	9	16	this	this	DT
35613	9	17	account	account	NN
35613	9	18	is	be	VBZ
35613	9	19	required	require	VBN
35613	9	20	.	.	.
35613	10	1	Useful	useful	JJ
35613	10	2	observations	observation	NNS
35613	10	3	may	may	MD
35613	10	4	be	be	VB
35613	10	5	made	make	VBN
35613	10	6	by	by	IN
35613	10	7	an	an	DT
35613	10	8	unskilled	unskilled	JJ
35613	10	9	observer	observer	NN
35613	10	10	provided	provide	VBN
35613	10	11	that	that	IN
35613	10	12	he	-PRON-	PRP
35613	10	13	is	be	VBZ
35613	10	14	capable	capable	JJ
35613	10	15	of	of	IN
35613	10	16	identifying	identify	VBG
35613	10	17	a	a	DT
35613	10	18	star	star	NN
35613	10	19	with	with	IN
35613	10	20	certainty	certainty	NN
35613	10	21	.	.	.
35613	11	1	The	the	DT
35613	11	2	work	work	NN
35613	11	3	is	be	VBZ
35613	11	4	quantitative	quantitative	JJ
35613	11	5	,	,	,
35613	11	6	and	and	CC
35613	11	7	the	the	DT
35613	11	8	observer	observer	NN
35613	11	9	has	have	VBZ
35613	11	10	,	,	,
35613	11	11	therefore	therefore	RB
35613	11	12	,	,	,
35613	11	13	a	a	DT
35613	11	14	continual	continual	JJ
35613	11	15	test	test	NN
35613	11	16	of	of	IN
35613	11	17	the	the	DT
35613	11	18	increased	increase	VBN
35613	11	19	accuracy	accuracy	NN
35613	11	20	he	-PRON-	PRP
35613	11	21	has	have	VBZ
35613	11	22	acquired	acquire	VBN
35613	11	23	by	by	IN
35613	11	24	practice	practice	NN
35613	11	25	.	.	.
35613	12	1	As	as	IN
35613	12	2	a	a	DT
35613	12	3	portion	portion	NN
35613	12	4	of	of	IN
35613	12	5	the	the	DT
35613	12	6	investigation	investigation	NN
35613	12	7	will	will	MD
35613	12	8	probably	probably	RB
35613	12	9	lead	lead	VB
35613	12	10	to	to	IN
35613	12	11	the	the	DT
35613	12	12	discovery	discovery	NN
35613	12	13	of	of	IN
35613	12	14	interesting	interesting	JJ
35613	12	15	objects	object	NNS
35613	12	16	,	,	,
35613	12	17	the	the	DT
35613	12	18	observations	observation	NNS
35613	12	19	will	will	MD
35613	12	20	possess	possess	VB
35613	12	21	an	an	DT
35613	12	22	interest	interest	NN
35613	12	23	often	often	RB
35613	12	24	wanting	want	VBG
35613	12	25	in	in	IN
35613	12	26	quantitative	quantitative	JJ
35613	12	27	research	research	NN
35613	12	28	.	.	.
35613	13	1	The	the	DT
35613	13	2	aid	aid	NN
35613	13	3	of	of	IN
35613	13	4	the	the	DT
35613	13	5	professional	professional	JJ
35613	13	6	astronomer	astronomer	NN
35613	13	7	is	be	VBZ
35613	13	8	earnestly	earnestly	RB
35613	13	9	requested	request	VBN
35613	13	10	for	for	IN
35613	13	11	this	this	DT
35613	13	12	scheme	scheme	NN
35613	13	13	.	.	.
35613	14	1	Suggestions	suggestion	NNS
35613	14	2	by	by	IN
35613	14	3	which	which	WDT
35613	14	4	it	-PRON-	PRP
35613	14	5	may	may	MD
35613	14	6	be	be	VB
35613	14	7	modified	modify	VBN
35613	14	8	and	and	CC
35613	14	9	improved	improve	VBN
35613	14	10	will	will	MD
35613	14	11	be	be	VB
35613	14	12	gratefully	gratefully	RB
35613	14	13	received	receive	VBN
35613	14	14	.	.	.
35613	15	1	The	the	DT
35613	15	2	professional	professional	JJ
35613	15	3	astronomer	astronomer	NN
35613	15	4	,	,	,
35613	15	5	in	in	IN
35613	15	6	consequence	consequence	NN
35613	15	7	of	of	IN
35613	15	8	his	-PRON-	PRP$
35613	15	9	greater	great	JJR
35613	15	10	skill	skill	NN
35613	15	11	,	,	,
35613	15	12	instrumental	instrumental	JJ
35613	15	13	appliances	appliance	NNS
35613	15	14	,	,	,
35613	15	15	and	and	CC
35613	15	16	command	command	NN
35613	15	17	of	of	IN
35613	15	18	his	-PRON-	PRP$
35613	15	19	own	own	JJ
35613	15	20	time	time	NN
35613	15	21	,	,	,
35613	15	22	could	could	MD
35613	15	23	fill	fill	VB
35613	15	24	gaps	gap	NNS
35613	15	25	in	in	IN
35613	15	26	the	the	DT
35613	15	27	work	work	NN
35613	15	28	,	,	,
35613	15	29	and	and	CC
35613	15	30	thus	thus	RB
35613	15	31	greatly	greatly	RB
35613	15	32	increase	increase	VB
35613	15	33	its	-PRON-	PRP$
35613	15	34	value	value	NN
35613	15	35	as	as	IN
35613	15	36	a	a	DT
35613	15	37	whole	whole	NN
35613	15	38	.	.	.
35613	16	1	Such	such	JJ
35613	16	2	observations	observation	NNS
35613	16	3	could	could	MD
35613	16	4	often	often	RB
35613	16	5	be	be	VB
35613	16	6	made	make	VBN
35613	16	7	in	in	IN
35613	16	8	the	the	DT
35613	16	9	intervals	interval	NNS
35613	16	10	of	of	IN
35613	16	11	other	other	JJ
35613	16	12	work	work	NN
35613	16	13	or	or	CC
35613	16	14	at	at	IN
35613	16	15	times	time	NNS
35613	16	16	unsuitable	unsuitable	JJ
35613	16	17	for	for	IN
35613	16	18	the	the	DT
35613	16	19	observations	observation	NNS
35613	16	20	to	to	TO
35613	16	21	which	which	WDT
35613	16	22	he	-PRON-	PRP
35613	16	23	was	be	VBD
35613	16	24	especially	especially	RB
35613	16	25	devoting	devote	VBG
35613	16	26	himself	-PRON-	PRP
35613	16	27	.	.	.
35613	17	1	It	-PRON-	PRP
35613	17	2	should	should	MD
35613	17	3	be	be	VB
35613	17	4	added	add	VBN
35613	17	5	that	that	IN
35613	17	6	especial	especial	JJ
35613	17	7	care	care	NN
35613	17	8	will	will	MD
35613	17	9	be	be	VB
35613	17	10	taken	take	VBN
35613	17	11	not	not	RB
35613	17	12	to	to	TO
35613	17	13	interfere	interfere	VB
35613	17	14	with	with	IN
35613	17	15	observations	observation	NNS
35613	17	16	of	of	IN
35613	17	17	variable	variable	JJ
35613	17	18	stars	star	NNS
35613	17	19	now	now	RB
35613	17	20	in	in	IN
35613	17	21	progress	progress	NN
35613	17	22	.	.	.
35613	18	1	Observers	observer	NNS
35613	18	2	of	of	IN
35613	18	3	these	these	DT
35613	18	4	objects	object	NNS
35613	18	5	are	be	VBP
35613	18	6	particularly	particularly	RB
35613	18	7	requested	request	VBN
35613	18	8	to	to	TO
35613	18	9	notify	notify	VB
35613	18	10	the	the	DT
35613	18	11	writer	writer	NN
35613	18	12	what	what	WP
35613	18	13	work	work	NN
35613	18	14	they	-PRON-	PRP
35613	18	15	propose	propose	VBP
35613	18	16	to	to	TO
35613	18	17	carry	carry	VB
35613	18	18	out	out	RP
35613	18	19	,	,	,
35613	18	20	so	so	IN
35613	18	21	that	that	IN
35613	18	22	a	a	DT
35613	18	23	needless	needless	JJ
35613	18	24	repetition	repetition	NN
35613	18	25	of	of	IN
35613	18	26	it	-PRON-	PRP
35613	18	27	may	may	MD
35613	18	28	be	be	VB
35613	18	29	avoided	avoid	VBN
35613	18	30	.	.	.
35613	19	1	It	-PRON-	PRP
35613	19	2	is	be	VBZ
35613	19	3	on	on	IN
35613	19	4	the	the	DT
35613	19	5	amateur	amateur	NN
35613	19	6	and	and	CC
35613	19	7	student	student	NN
35613	19	8	of	of	IN
35613	19	9	astronomy	astronomy	NN
35613	19	10	that	that	IN
35613	19	11	we	-PRON-	PRP
35613	19	12	must	must	MD
35613	19	13	depend	depend	VB
35613	19	14	largely	largely	RB
35613	19	15	for	for	IN
35613	19	16	the	the	DT
35613	19	17	success	success	NN
35613	19	18	of	of	IN
35613	19	19	the	the	DT
35613	19	20	plan	plan	NN
35613	19	21	here	here	RB
35613	19	22	proposed	propose	VBD
35613	19	23	.	.	.
35613	20	1	Many	many	JJ
35613	20	2	such	such	JJ
35613	20	3	persons	person	NNS
35613	20	4	spend	spend	VBP
35613	20	5	evening	evening	NN
35613	20	6	after	after	IN
35613	20	7	evening	evening	NN
35613	20	8	at	at	IN
35613	20	9	their	-PRON-	PRP$
35613	20	10	telescopes	telescope	NNS
35613	20	11	without	without	IN
35613	20	12	obtaining	obtain	VBG
35613	20	13	results	result	NNS
35613	20	14	of	of	IN
35613	20	15	any	any	DT
35613	20	16	permanent	permanent	JJ
35613	20	17	value	value	NN
35613	20	18	.	.	.
35613	21	1	Either	either	CC
35613	21	2	no	no	DT
35613	21	3	publication	publication	NN
35613	21	4	is	be	VBZ
35613	21	5	made	make	VBN
35613	21	6	and	and	CC
35613	21	7	the	the	DT
35613	21	8	results	result	NNS
35613	21	9	are	be	VBP
35613	21	10	therefore	therefore	RB
35613	21	11	valueless	valueless	JJ
35613	21	12	,	,	,
35613	21	13	or	or	CC
35613	21	14	time	time	NN
35613	21	15	is	be	VBZ
35613	21	16	spent	spend	VBN
35613	21	17	on	on	IN
35613	21	18	objects	object	NNS
35613	21	19	that	that	WDT
35613	21	20	can	can	MD
35613	21	21	be	be	VB
35613	21	22	much	much	RB
35613	21	23	more	more	RBR
35613	21	24	usefully	usefully	RB
35613	21	25	examined	examine	VBN
35613	21	26	with	with	IN
35613	21	27	a	a	DT
35613	21	28	larger	large	JJR
35613	21	29	instrument	instrument	NN
35613	21	30	.	.	.
35613	22	1	Most	Most	JJS
35613	22	2	commonly	commonly	RB
35613	22	3	the	the	DT
35613	22	4	observer	observer	NN
35613	22	5	has	have	VBZ
35613	22	6	no	no	DT
35613	22	7	special	special	JJ
35613	22	8	plan	plan	NN
35613	22	9	and	and	CC
35613	22	10	spends	spend	VBZ
35613	22	11	many	many	JJ
35613	22	12	hours	hour	NNS
35613	22	13	without	without	IN
35613	22	14	result	result	NN
35613	22	15	,	,	,
35613	22	16	while	while	IN
35613	22	17	the	the	DT
35613	22	18	same	same	JJ
35613	22	19	time	time	NN
35613	22	20	might	may	MD
35613	22	21	have	have	VB
35613	22	22	been	be	VBN
35613	22	23	employed	employ	VBN
35613	22	24	with	with	IN
35613	22	25	equal	equal	JJ
35613	22	26	pleasure	pleasure	NN
35613	22	27	to	to	IN
35613	22	28	himself	-PRON-	PRP
35613	22	29	and	and	CC
35613	22	30	results	result	NNS
35613	22	31	of	of	IN
35613	22	32	great	great	JJ
35613	22	33	value	value	NN
35613	22	34	collected	collect	VBN
35613	22	35	.	.	.
35613	23	1	Those	those	DT
35613	23	2	who	who	WP
35613	23	3	have	have	VBP
35613	23	4	not	not	RB
35613	23	5	tried	try	VBN
35613	23	6	it	-PRON-	PRP
35613	23	7	do	do	VB
35613	23	8	not	not	RB
35613	23	9	realize	realize	VB
35613	23	10	the	the	DT
35613	23	11	growing	grow	VBG
35613	23	12	interest	interest	NN
35613	23	13	in	in	IN
35613	23	14	a	a	DT
35613	23	15	systematic	systematic	JJ
35613	23	16	research	research	NN
35613	23	17	and	and	CC
35613	23	18	the	the	DT
35613	23	19	satisfaction	satisfaction	NN
35613	23	20	in	in	IN
35613	23	21	feeling	feeling	NN
35613	23	22	that	that	IN
35613	23	23	by	by	IN
35613	23	24	one	one	PRP
35613	23	25	's	's	POS
35613	23	26	own	own	JJ
35613	23	27	labors	labor	NNS
35613	23	28	the	the	DT
35613	23	29	sum	sum	NN
35613	23	30	of	of	IN
35613	23	31	human	human	JJ
35613	23	32	knowledge	knowledge	NN
35613	23	33	has	have	VBZ
35613	23	34	been	be	VBN
35613	23	35	increased	increase	VBN
35613	23	36	.	.	.
35613	24	1	Much	much	JJ
35613	24	2	valuable	valuable	JJ
35613	24	3	assistance	assistance	NN
35613	24	4	might	may	MD
35613	24	5	be	be	VB
35613	24	6	rendered	render	VBN
35613	24	7	by	by	IN
35613	24	8	a	a	DT
35613	24	9	class	class	NN
35613	24	10	whose	whose	WP$
35613	24	11	aid	aid	NN
35613	24	12	in	in	IN
35613	24	13	such	such	JJ
35613	24	14	work	work	NN
35613	24	15	has	have	VBZ
35613	24	16	usually	usually	RB
35613	24	17	been	be	VBN
35613	24	18	overlooked	overlook	VBN
35613	24	19	.	.	.
35613	25	1	Many	many	JJ
35613	25	2	ladies	lady	NNS
35613	25	3	are	be	VBP
35613	25	4	interested	interested	JJ
35613	25	5	in	in	IN
35613	25	6	astronomy	astronomy	NN
35613	25	7	and	and	CC
35613	25	8	own	own	JJ
35613	25	9	telescopes	telescope	NNS
35613	25	10	,	,	,
35613	25	11	but	but	CC
35613	25	12	with	with	IN
35613	25	13	two	two	CD
35613	25	14	or	or	CC
35613	25	15	three	three	CD
35613	25	16	noteworthy	noteworthy	JJ
35613	25	17	exceptions	exception	NNS
35613	25	18	their	-PRON-	PRP$
35613	25	19	contributions	contribution	NNS
35613	25	20	to	to	IN
35613	25	21	the	the	DT
35613	25	22	science	science	NN
35613	25	23	have	have	VBP
35613	25	24	been	be	VBN
35613	25	25	almost	almost	RB
35613	25	26	nothing	nothing	NN
35613	25	27	.	.	.
35613	26	1	Many	many	JJ
35613	26	2	of	of	IN
35613	26	3	them	-PRON-	PRP
35613	26	4	have	have	VBP
35613	26	5	the	the	DT
35613	26	6	time	time	NN
35613	26	7	and	and	CC
35613	26	8	inclination	inclination	NN
35613	26	9	for	for	IN
35613	26	10	such	such	JJ
35613	26	11	work	work	NN
35613	26	12	,	,	,
35613	26	13	and	and	CC
35613	26	14	especially	especially	RB
35613	26	15	among	among	IN
35613	26	16	the	the	DT
35613	26	17	graduates	graduate	NNS
35613	26	18	of	of	IN
35613	26	19	women	woman	NNS
35613	26	20	's	's	POS
35613	26	21	colleges	college	NNS
35613	26	22	are	be	VBP
35613	26	23	many	many	JJ
35613	26	24	who	who	WP
35613	26	25	have	have	VBP
35613	26	26	had	have	VBN
35613	26	27	abundant	abundant	JJ
35613	26	28	training	training	NN
35613	26	29	to	to	TO
35613	26	30	make	make	VB
35613	26	31	excellent	excellent	JJ
35613	26	32	observers	observer	NNS
35613	26	33	.	.	.
35613	27	1	As	as	IN
35613	27	2	the	the	DT
35613	27	3	work	work	NN
35613	27	4	may	may	MD
35613	27	5	be	be	VB
35613	27	6	done	do	VBN
35613	27	7	at	at	IN
35613	27	8	home	home	NN
35613	27	9	,	,	,
35613	27	10	even	even	RB
35613	27	11	from	from	IN
35613	27	12	an	an	DT
35613	27	13	open	open	JJ
35613	27	14	window	window	NN
35613	27	15	,	,	,
35613	27	16	provided	provide	VBD
35613	27	17	the	the	DT
35613	27	18	room	room	NN
35613	27	19	has	have	VBZ
35613	27	20	the	the	DT
35613	27	21	temperature	temperature	NN
35613	27	22	of	of	IN
35613	27	23	the	the	DT
35613	27	24	outer	outer	JJ
35613	27	25	air	air	NN
35613	27	26	,	,	,
35613	27	27	there	there	EX
35613	27	28	seems	seem	VBZ
35613	27	29	to	to	TO
35613	27	30	be	be	VB
35613	27	31	no	no	DT
35613	27	32	reason	reason	NN
35613	27	33	why	why	WRB
35613	27	34	they	-PRON-	PRP
35613	27	35	should	should	MD
35613	27	36	not	not	RB
35613	27	37	thus	thus	RB
35613	27	38	make	make	VB
35613	27	39	an	an	DT
35613	27	40	advantageous	advantageous	JJ
35613	27	41	use	use	NN
35613	27	42	of	of	IN
35613	27	43	their	-PRON-	PRP$
35613	27	44	skill	skill	NN
35613	27	45	.	.	.
35613	28	1	It	-PRON-	PRP
35613	28	2	is	be	VBZ
35613	28	3	believed	believe	VBN
35613	28	4	that	that	IN
35613	28	5	it	-PRON-	PRP
35613	28	6	is	be	VBZ
35613	28	7	only	only	RB
35613	28	8	necessary	necessary	JJ
35613	28	9	to	to	TO
35613	28	10	point	point	VB
35613	28	11	the	the	DT
35613	28	12	way	way	NN
35613	28	13	to	to	TO
35613	28	14	secure	secure	VB
35613	28	15	most	most	RBS
35613	28	16	valuable	valuable	JJ
35613	28	17	assistance	assistance	NN
35613	28	18	.	.	.
35613	29	1	The	the	DT
35613	29	2	criticism	criticism	NN
35613	29	3	is	be	VBZ
35613	29	4	often	often	RB
35613	29	5	made	make	VBN
35613	29	6	by	by	IN
35613	29	7	the	the	DT
35613	29	8	opponents	opponent	NNS
35613	29	9	of	of	IN
35613	29	10	the	the	DT
35613	29	11	higher	high	JJR
35613	29	12	education	education	NN
35613	29	13	of	of	IN
35613	29	14	women	woman	NNS
35613	29	15	that	that	WDT
35613	29	16	,	,	,
35613	29	17	while	while	IN
35613	29	18	they	-PRON-	PRP
35613	29	19	are	be	VBP
35613	29	20	capable	capable	JJ
35613	29	21	of	of	IN
35613	29	22	following	follow	VBG
35613	29	23	others	other	NNS
35613	29	24	as	as	RB
35613	29	25	far	far	RB
35613	29	26	as	as	IN
35613	29	27	men	man	NNS
35613	29	28	can	can	MD
35613	29	29	,	,	,
35613	29	30	they	-PRON-	PRP
35613	29	31	originate	originate	VBP
35613	29	32	almost	almost	RB
35613	29	33	nothing	nothing	NN
35613	29	34	,	,	,
35613	29	35	so	so	IN
35613	29	36	that	that	IN
35613	29	37	human	human	JJ
35613	29	38	knowledge	knowledge	NN
35613	29	39	is	be	VBZ
35613	29	40	not	not	RB
35613	29	41	advanced	advance	VBN
35613	29	42	by	by	IN
35613	29	43	their	-PRON-	PRP$
35613	29	44	work	work	NN
35613	29	45	.	.	.
35613	30	1	This	this	DT
35613	30	2	reproach	reproach	NN
35613	30	3	would	would	MD
35613	30	4	be	be	VB
35613	30	5	well	well	RB
35613	30	6	answered	answer	VBN
35613	30	7	could	could	MD
35613	30	8	we	-PRON-	PRP
35613	30	9	point	point	VB
35613	30	10	to	to	IN
35613	30	11	a	a	DT
35613	30	12	long	long	JJ
35613	30	13	series	series	NN
35613	30	14	of	of	IN
35613	30	15	such	such	JJ
35613	30	16	observations	observation	NNS
35613	30	17	as	as	IN
35613	30	18	are	be	VBP
35613	30	19	detailed	detail	VBN
35613	30	20	below	below	RB
35613	30	21	,	,	,
35613	30	22	made	make	VBN
35613	30	23	by	by	IN
35613	30	24	women	woman	NNS
35613	30	25	observers	observer	NNS
35613	30	26	.	.	.
35613	31	1	Variable	variable	JJ
35613	31	2	stars	star	NNS
35613	31	3	may	may	MD
35613	31	4	be	be	VB
35613	31	5	defined	define	VBN
35613	31	6	as	as	IN
35613	31	7	those	those	DT
35613	31	8	which	which	WDT
35613	31	9	exhibit	exhibit	VBP
35613	31	10	a	a	DT
35613	31	11	varying	varying	NN
35613	31	12	degree	degree	NN
35613	31	13	of	of	IN
35613	31	14	brightness	brightness	NN
35613	31	15	at	at	IN
35613	31	16	different	different	JJ
35613	31	17	times	time	NNS
35613	31	18	.	.	.
35613	32	1	The	the	DT
35613	32	2	following	follow	VBG
35613	32	3	classification	classification	NN
35613	32	4	of	of	IN
35613	32	5	them	-PRON-	PRP
35613	32	6	is	be	VBZ
35613	32	7	believed	believe	VBN
35613	32	8	to	to	TO
35613	32	9	be	be	VB
35613	32	10	a	a	DT
35613	32	11	natural	natural	JJ
35613	32	12	one	one	CD
35613	32	13	.	.	.
35613	33	1	(	(	-LRB-
35613	33	2	Proc	Proc	NNP
35613	33	3	.	.	.
35613	34	1	Amer	amer	NN
35613	34	2	.	.	.
35613	35	1	Acad	Acad	NNS
35613	35	2	.	.	.
35613	36	1	xvi	xvi	NNP
35613	36	2	,	,	,
35613	36	3	1	1	CD
35613	36	4	,	,	,
35613	36	5	257	257	CD
35613	36	6	.	.	.
35613	36	7	)	)	-RRB-
35613	37	1	I.	I.	NNP
35613	38	1	Temporary	temporary	JJ
35613	38	2	stars	star	NNS
35613	38	3	,	,	,
35613	38	4	or	or	CC
35613	38	5	those	those	DT
35613	38	6	which	which	WDT
35613	38	7	shine	shine	VBP
35613	38	8	out	out	RP
35613	38	9	suddenly	suddenly	RB
35613	38	10	,	,	,
35613	38	11	sometimes	sometimes	RB
35613	38	12	with	with	IN
35613	38	13	great	great	JJ
35613	38	14	brilliancy	brilliancy	NN
35613	38	15	,	,	,
35613	38	16	and	and	CC
35613	38	17	gradually	gradually	RB
35613	38	18	fade	fade	VB
35613	38	19	away	away	RB
35613	38	20	.	.	.
35613	39	1	Examples	example	NNS
35613	39	2	,	,	,
35613	39	3	Tycho	Tycho	NNP
35613	39	4	Brahe	Brahe	NNP
35613	39	5	's	's	POS
35613	39	6	star	star	NN
35613	39	7	of	of	IN
35613	39	8	1572	1572	CD
35613	39	9	,	,	,
35613	39	10	new	new	JJ
35613	39	11	star	star	NN
35613	39	12	in	in	IN
35613	39	13	Corona	Corona	NNP
35613	39	14	,	,	,
35613	39	15	1866	1866	CD
35613	39	16	.	.	.
35613	40	1	II	ii	CD
35613	40	2	.	.	.
35613	41	1	Long	long	JJ
35613	41	2	period	period	NN
35613	41	3	variables	variable	NNS
35613	41	4	,	,	,
35613	41	5	or	or	CC
35613	41	6	those	those	DT
35613	41	7	undergoing	undergo	VBG
35613	41	8	great	great	JJ
35613	41	9	variations	variation	NNS
35613	41	10	of	of	IN
35613	41	11	light	light	NN
35613	41	12	,	,	,
35613	41	13	the	the	DT
35613	41	14	changes	change	NNS
35613	41	15	recurring	recur	VBG
35613	41	16	in	in	IN
35613	41	17	periods	period	NNS
35613	41	18	of	of	IN
35613	41	19	several	several	JJ
35613	41	20	months	month	NNS
35613	41	21	.	.	.
35613	42	1	Examples	Examples	NNPS
35613	42	2	_	_	NNP
35613	42	3	omicron	omicron	NN
35613	42	4	Ceti	Ceti	NNP
35613	42	5	_	_	NNP
35613	42	6	and	and	CC
35613	42	7	_	_	NNP
35613	42	8	chi	chi	NNP
35613	42	9	Ceti	Ceti	NNP
35613	42	10	_	_	NNP
35613	42	11	.	.	.
35613	43	1	III	iii	CD
35613	43	2	.	.	.
35613	44	1	Stars	star	NNS
35613	44	2	undergoing	undergo	VBG
35613	44	3	slight	slight	JJ
35613	44	4	changes	change	NNS
35613	44	5	according	accord	VBG
35613	44	6	to	to	IN
35613	44	7	laws	law	NNS
35613	44	8	as	as	IN
35613	44	9	yet	yet	RB
35613	44	10	unknown	unknown	JJ
35613	44	11	.	.	.
35613	45	1	Examples	example	NNS
35613	45	2	,	,	,
35613	45	3	_	_	NNP
35613	45	4	alpha	alpha	NN
35613	45	5	Orionis	Orionis	NNP
35613	45	6	_	_	NNP
35613	45	7	and	and	CC
35613	45	8	_	_	NNP
35613	45	9	alpha	alpha	NN
35613	45	10	Cassiopeiae	Cassiopeiae	NNP
35613	45	11	_	_	NNP
35613	45	12	.	.	.
35613	46	1	IV	IV	NNP
35613	46	2	.	.	.
35613	47	1	Short	short	JJ
35613	47	2	period	period	NN
35613	47	3	variables	variable	NNS
35613	47	4	,	,	,
35613	47	5	or	or	CC
35613	47	6	stars	star	NNS
35613	47	7	whose	whose	WP$
35613	47	8	light	light	NN
35613	47	9	is	be	VBZ
35613	47	10	continually	continually	RB
35613	47	11	varying	vary	VBG
35613	47	12	,	,	,
35613	47	13	but	but	CC
35613	47	14	the	the	DT
35613	47	15	changes	change	NNS
35613	47	16	are	be	VBP
35613	47	17	repeated	repeat	VBN
35613	47	18	with	with	IN
35613	47	19	great	great	JJ
35613	47	20	regularity	regularity	NN
35613	47	21	in	in	IN
35613	47	22	a	a	DT
35613	47	23	period	period	NN
35613	47	24	not	not	RB
35613	47	25	exceeding	exceed	VBG
35613	47	26	a	a	DT
35613	47	27	few	few	JJ
35613	47	28	days	day	NNS
35613	47	29	.	.	.
35613	48	1	Examples	example	NNS
35613	48	2	,	,	,
35613	48	3	_	_	NNP
35613	48	4	beta	beta	NN
35613	48	5	Lyrae	Lyrae	NNP
35613	48	6	_	_	NNP
35613	48	7	and	and	CC
35613	48	8	_	_	NNP
35613	48	9	delta	delta	NN
35613	48	10	Cephei	Cephei	NNP
35613	48	11	_	_	NNP
35613	48	12	.	.	.
35613	49	1	V.	V.	NNP
35613	49	2	Algol	Algol	NNP
35613	49	3	stars	star	NNS
35613	49	4	,	,	,
35613	49	5	or	or	CC
35613	49	6	stars	star	NNS
35613	49	7	which	which	WDT
35613	49	8	for	for	IN
35613	49	9	the	the	DT
35613	49	10	greater	great	JJR
35613	49	11	portion	portion	NN
35613	49	12	of	of	IN
35613	49	13	the	the	DT
35613	49	14	time	time	NN
35613	49	15	undergo	undergo	VBP
35613	49	16	no	no	DT
35613	49	17	change	change	NN
35613	49	18	in	in	IN
35613	49	19	light	light	NN
35613	49	20	,	,	,
35613	49	21	but	but	CC
35613	49	22	every	every	DT
35613	49	23	few	few	JJ
35613	49	24	days	day	NNS
35613	49	25	suffer	suffer	VBP
35613	49	26	a	a	DT
35613	49	27	remarkable	remarkable	JJ
35613	49	28	diminution	diminution	NN
35613	49	29	in	in	IN
35613	49	30	light	light	NN
35613	49	31	for	for	IN
35613	49	32	a	a	DT
35613	49	33	few	few	JJ
35613	49	34	hours	hour	NNS
35613	49	35	.	.	.
35613	50	1	This	this	DT
35613	50	2	phenomenon	phenomenon	NN
35613	50	3	recurs	recur	VBZ
35613	50	4	with	with	IN
35613	50	5	such	such	JJ
35613	50	6	regularity	regularity	NN
35613	50	7	that	that	IN
35613	50	8	the	the	DT
35613	50	9	interval	interval	NN
35613	50	10	between	between	IN
35613	50	11	successive	successive	JJ
35613	50	12	minima	minima	NNP
35613	50	13	may	may	MD
35613	50	14	be	be	VB
35613	50	15	determined	determine	VBN
35613	50	16	in	in	IN
35613	50	17	some	some	DT
35613	50	18	cases	case	NNS
35613	50	19	within	within	IN
35613	50	20	a	a	DT
35613	50	21	fraction	fraction	NN
35613	50	22	of	of	IN
35613	50	23	a	a	DT
35613	50	24	second	second	NN
35613	50	25	.	.	.
35613	51	1	Examples	Examples	NNPS
35613	51	2	_	_	NNP
35613	51	3	beta	beta	NN
35613	51	4	Persei	Persei	NNP
35613	51	5	_	_	NNP
35613	51	6	(	(	-LRB-
35613	51	7	Algol	Algol	NNP
35613	51	8	)	)	-RRB-
35613	51	9	and	and	CC
35613	51	10	_	_	NNP
35613	51	11	S	S	NNP
35613	51	12	Cancri	Cancri	NNP
35613	51	13	_	_	NNP
35613	51	14	.	.	.
35613	52	1	Stars	star	NNS
35613	52	2	belonging	belong	VBG
35613	52	3	to	to	IN
35613	52	4	the	the	DT
35613	52	5	first	first	JJ
35613	52	6	of	of	IN
35613	52	7	these	these	DT
35613	52	8	classes	class	NNS
35613	52	9	are	be	VBP
35613	52	10	seen	see	VBN
35613	52	11	so	so	RB
35613	52	12	rarely	rarely	RB
35613	52	13	that	that	IN
35613	52	14	the	the	DT
35613	52	15	apparent	apparent	JJ
35613	52	16	discovery	discovery	NN
35613	52	17	of	of	IN
35613	52	18	one	one	CD
35613	52	19	is	be	VBZ
35613	52	20	to	to	TO
35613	52	21	be	be	VB
35613	52	22	received	receive	VBN
35613	52	23	with	with	IN
35613	52	24	the	the	DT
35613	52	25	utmost	utmost	JJ
35613	52	26	caution	caution	NN
35613	52	27	.	.	.
35613	53	1	On	on	IN
35613	53	2	the	the	DT
35613	53	3	other	other	JJ
35613	53	4	hand	hand	NN
35613	53	5	,	,	,
35613	53	6	the	the	DT
35613	53	7	importance	importance	NN
35613	53	8	of	of	IN
35613	53	9	early	early	JJ
35613	53	10	observations	observation	NNS
35613	53	11	of	of	IN
35613	53	12	such	such	PDT
35613	53	13	an	an	DT
35613	53	14	object	object	NN
35613	53	15	is	be	VBZ
35613	53	16	so	so	RB
35613	53	17	great	great	JJ
35613	53	18	that	that	IN
35613	53	19	no	no	DT
35613	53	20	pains	pain	NNS
35613	53	21	should	should	MD
35613	53	22	be	be	VB
35613	53	23	spared	spare	VBN
35613	53	24	to	to	TO
35613	53	25	secure	secure	VB
35613	53	26	an	an	DT
35613	53	27	early	early	JJ
35613	53	28	announcement	announcement	NN
35613	53	29	if	if	IN
35613	53	30	one	one	PRP
35613	53	31	is	be	VBZ
35613	53	32	really	really	RB
35613	53	33	found	find	VBN
35613	53	34	.	.	.
35613	54	1	On	on	IN
35613	54	2	the	the	DT
35613	54	3	best	good	JJS
35613	54	4	star	star	NN
35613	54	5	charts	chart	VBZ
35613	54	6	many	many	JJ
35613	54	7	stars	star	NNS
35613	54	8	are	be	VBP
35613	54	9	omitted	omit	VBN
35613	54	10	of	of	IN
35613	54	11	the	the	DT
35613	54	12	brightness	brightness	NN
35613	54	13	of	of	IN
35613	54	14	the	the	DT
35613	54	15	faintest	faint	JJS
35613	54	16	objects	object	NNS
35613	54	17	given	give	VBN
35613	54	18	.	.	.
35613	55	1	But	but	CC
35613	55	2	any	any	DT
35613	55	3	star	star	NN
35613	55	4	much	much	RB
35613	55	5	brighter	bright	JJR
35613	55	6	than	than	IN
35613	55	7	these	these	DT
35613	55	8	should	should	MD
35613	55	9	be	be	VB
35613	55	10	measured	measure	VBN
35613	55	11	by	by	IN
35613	55	12	the	the	DT
35613	55	13	method	method	NN
35613	55	14	given	give	VBN
35613	55	15	below	below	RP
35613	55	16	,	,	,
35613	55	17	and	and	CC
35613	55	18	a	a	DT
35613	55	19	watch	watch	NN
35613	55	20	kept	keep	VBD
35613	55	21	to	to	TO
35613	55	22	see	see	VB
35613	55	23	if	if	IN
35613	55	24	any	any	DT
35613	55	25	change	change	NN
35613	55	26	takes	take	VBZ
35613	55	27	place	place	NN
35613	55	28	.	.	.
35613	56	1	If	if	IN
35613	56	2	it	-PRON-	PRP
35613	56	3	proves	prove	VBZ
35613	56	4	to	to	TO
35613	56	5	be	be	VB
35613	56	6	a	a	DT
35613	56	7	temporary	temporary	JJ
35613	56	8	star	star	NN
35613	56	9	an	an	DT
35613	56	10	immediate	immediate	JJ
35613	56	11	announcement	announcement	NN
35613	56	12	should	should	MD
35613	56	13	be	be	VB
35613	56	14	made	make	VBN
35613	56	15	.	.	.
35613	57	1	If	if	IN
35613	57	2	a	a	DT
35613	57	3	telegram	telegram	NN
35613	57	4	is	be	VBZ
35613	57	5	sent	send	VBN
35613	57	6	to	to	IN
35613	57	7	this	this	DT
35613	57	8	Observatory	Observatory	NNP
35613	57	9	the	the	DT
35613	57	10	object	object	NN
35613	57	11	will	will	MD
35613	57	12	be	be	VB
35613	57	13	at	at	IN
35613	57	14	once	once	RB
35613	57	15	examined	examine	VBN
35613	57	16	,	,	,
35613	57	17	and	and	CC
35613	57	18	,	,	,
35613	57	19	if	if	IN
35613	57	20	verified	verify	VBN
35613	57	21	,	,	,
35613	57	22	notification	notification	NN
35613	57	23	will	will	MD
35613	57	24	be	be	VB
35613	57	25	made	make	VBN
35613	57	26	in	in	IN
35613	57	27	this	this	DT
35613	57	28	country	country	NN
35613	57	29	and	and	CC
35613	57	30	in	in	IN
35613	57	31	Europe	Europe	NNP
35613	57	32	with	with	IN
35613	57	33	the	the	DT
35613	57	34	name	name	NN
35613	57	35	of	of	IN
35613	57	36	the	the	DT
35613	57	37	discoverer	discoverer	NN
35613	57	38	or	or	CC
35613	57	39	sender	sender	NN
35613	57	40	of	of	IN
35613	57	41	the	the	DT
35613	57	42	telegram	telegram	NN
35613	57	43	.	.	.
35613	58	1	A	a	DT
35613	58	2	similar	similar	JJ
35613	58	3	notification	notification	NN
35613	58	4	may	may	MD
35613	58	5	be	be	VB
35613	58	6	sent	send	VBN
35613	58	7	of	of	IN
35613	58	8	any	any	DT
35613	58	9	suspected	suspect	VBN
35613	58	10	objects	object	NNS
35613	58	11	,	,	,
35613	58	12	which	which	WDT
35613	58	13	will	will	MD
35613	58	14	be	be	VB
35613	58	15	examined	examine	VBN
35613	58	16	in	in	IN
35613	58	17	the	the	DT
35613	58	18	same	same	JJ
35613	58	19	way	way	NN
35613	58	20	,	,	,
35613	58	21	and	and	CC
35613	58	22	announced	announce	VBD
35613	58	23	at	at	IN
35613	58	24	once	once	RB
35613	58	25	if	if	IN
35613	58	26	they	-PRON-	PRP
35613	58	27	prove	prove	VBP
35613	58	28	to	to	TO
35613	58	29	be	be	VB
35613	58	30	of	of	IN
35613	58	31	interest	interest	NN
35613	58	32	.	.	.
35613	59	1	It	-PRON-	PRP
35613	59	2	is	be	VBZ
35613	59	3	essential	essential	JJ
35613	59	4	that	that	IN
35613	59	5	the	the	DT
35613	59	6	position	position	NN
35613	59	7	of	of	IN
35613	59	8	the	the	DT
35613	59	9	object	object	NN
35613	59	10	should	should	MD
35613	59	11	be	be	VB
35613	59	12	given	give	VBN
35613	59	13	with	with	IN
35613	59	14	all	all	PDT
35613	59	15	the	the	DT
35613	59	16	precision	precision	NN
35613	59	17	practicable	practicable	JJ
35613	59	18	,	,	,
35613	59	19	and	and	CC
35613	59	20	that	that	IN
35613	59	21	a	a	DT
35613	59	22	letter	letter	NN
35613	59	23	should	should	MD
35613	59	24	be	be	VB
35613	59	25	sent	send	VBN
35613	59	26	by	by	IN
35613	59	27	the	the	DT
35613	59	28	next	next	JJ
35613	59	29	mail	mail	NN
35613	59	30	giving	give	VBG
35613	59	31	the	the	DT
35613	59	32	observations	observation	NNS
35613	59	33	in	in	IN
35613	59	34	detail	detail	NN
35613	59	35	.	.	.
35613	60	1	This	this	DT
35613	60	2	often	often	RB
35613	60	3	proves	prove	VBZ
35613	60	4	of	of	IN
35613	60	5	the	the	DT
35613	60	6	greatest	great	JJS
35613	60	7	value	value	NN
35613	60	8	in	in	IN
35613	60	9	case	case	NN
35613	60	10	the	the	DT
35613	60	11	object	object	NN
35613	60	12	is	be	VBZ
35613	60	13	not	not	RB
35613	60	14	readily	readily	RB
35613	60	15	found	find	VBN
35613	60	16	.	.	.
35613	61	1	It	-PRON-	PRP
35613	61	2	also	also	RB
35613	61	3	serves	serve	VBZ
35613	61	4	to	to	TO
35613	61	5	establish	establish	VB
35613	61	6	the	the	DT
35613	61	7	claims	claim	NNS
35613	61	8	of	of	IN
35613	61	9	the	the	DT
35613	61	10	first	first	JJ
35613	61	11	discoverer	discoverer	NN
35613	61	12	.	.	.
35613	62	1	Nearly	nearly	RB
35613	62	2	three	three	CD
35613	62	3	quarters	quarter	NNS
35613	62	4	of	of	IN
35613	62	5	the	the	DT
35613	62	6	known	know	VBN
35613	62	7	variables	variable	NNS
35613	62	8	belong	belong	VBP
35613	62	9	to	to	IN
35613	62	10	the	the	DT
35613	62	11	second	second	JJ
35613	62	12	class	class	NN
35613	62	13	.	.	.
35613	63	1	Most	Most	JJS
35613	63	2	of	of	IN
35613	63	3	them	-PRON-	PRP
35613	63	4	undergo	undergo	VBP
35613	63	5	very	very	RB
35613	63	6	large	large	JJ
35613	63	7	changes	change	NNS
35613	63	8	of	of	IN
35613	63	9	light	light	NN
35613	63	10	,	,	,
35613	63	11	and	and	CC
35613	63	12	may	may	MD
35613	63	13	therefore	therefore	RB
35613	63	14	be	be	VB
35613	63	15	observed	observe	VBN
35613	63	16	with	with	IN
35613	63	17	comparative	comparative	JJ
35613	63	18	ease	ease	NN
35613	63	19	.	.	.
35613	64	1	Our	-PRON-	PRP$
35613	64	2	knowledge	knowledge	NN
35613	64	3	of	of	IN
35613	64	4	their	-PRON-	PRP$
35613	64	5	variations	variation	NNS
35613	64	6	is	be	VBZ
35613	64	7	however	however	RB
35613	64	8	very	very	RB
35613	64	9	defective	defective	JJ
35613	64	10	.	.	.
35613	65	1	Hitherto	Hitherto	NNP
35613	65	2	the	the	DT
35613	65	3	attention	attention	NN
35613	65	4	of	of	IN
35613	65	5	observers	observer	NNS
35613	65	6	has	have	VBZ
35613	65	7	been	be	VBN
35613	65	8	directed	direct	VBN
35613	65	9	principally	principally	RB
35613	65	10	to	to	IN
35613	65	11	determining	determine	VBG
35613	65	12	the	the	DT
35613	65	13	times	time	NNS
35613	65	14	at	at	IN
35613	65	15	which	which	WDT
35613	65	16	they	-PRON-	PRP
35613	65	17	attain	attain	VBP
35613	65	18	their	-PRON-	PRP$
35613	65	19	maximum	maximum	JJ
35613	65	20	light	light	NN
35613	65	21	,	,	,
35613	65	22	while	while	IN
35613	65	23	their	-PRON-	PRP$
35613	65	24	light	light	NN
35613	65	25	at	at	IN
35613	65	26	intermediate	intermediate	JJ
35613	65	27	times	time	NNS
35613	65	28	has	have	VBZ
35613	65	29	been	be	VBN
35613	65	30	neglected	neglect	VBN
35613	65	31	.	.	.
35613	66	1	It	-PRON-	PRP
35613	66	2	is	be	VBZ
35613	66	3	now	now	RB
35613	66	4	proposed	propose	VBN
35613	66	5	to	to	TO
35613	66	6	secure	secure	VB
35613	66	7	observations	observation	NNS
35613	66	8	of	of	IN
35613	66	9	these	these	DT
35613	66	10	objects	object	NNS
35613	66	11	once	once	RB
35613	66	12	or	or	CC
35613	66	13	twice	twice	RB
35613	66	14	in	in	IN
35613	66	15	every	every	DT
35613	66	16	month	month	NN
35613	66	17	,	,	,
35613	66	18	so	so	IN
35613	66	19	that	that	IN
35613	66	20	their	-PRON-	PRP$
35613	66	21	light	light	JJ
35613	66	22	curves	curve	NNS
35613	66	23	or	or	CC
35613	66	24	variations	variation	NNS
35613	66	25	throughout	throughout	IN
35613	66	26	their	-PRON-	PRP$
35613	66	27	entire	entire	JJ
35613	66	28	periods	period	NNS
35613	66	29	may	may	MD
35613	66	30	be	be	VB
35613	66	31	determined	determine	VBN
35613	66	32	.	.	.
35613	67	1	Again	again	RB
35613	67	2	,	,	,
35613	67	3	many	many	JJ
35613	67	4	observers	observer	NNS
35613	67	5	are	be	VBP
35613	67	6	accustomed	accustom	VBN
35613	67	7	to	to	TO
35613	67	8	state	state	VB
35613	67	9	their	-PRON-	PRP$
35613	67	10	brightness	brightness	NN
35613	67	11	in	in	IN
35613	67	12	magnitudes	magnitude	NNS
35613	67	13	without	without	IN
35613	67	14	giving	give	VBG
35613	67	15	any	any	DT
35613	67	16	clue	clue	NN
35613	67	17	to	to	IN
35613	67	18	the	the	DT
35613	67	19	scale	scale	NN
35613	67	20	which	which	WDT
35613	67	21	they	-PRON-	PRP
35613	67	22	employ	employ	VBP
35613	67	23	.	.	.
35613	68	1	In	in	IN
35613	68	2	most	most	JJS
35613	68	3	cases	case	NNS
35613	68	4	such	such	JJ
35613	68	5	observations	observation	NNS
35613	68	6	have	have	VBP
35613	68	7	little	little	JJ
35613	68	8	value	value	NN
35613	68	9	owing	owe	VBG
35613	68	10	to	to	IN
35613	68	11	the	the	DT
35613	68	12	uncertainty	uncertainty	NN
35613	68	13	of	of	IN
35613	68	14	the	the	DT
35613	68	15	scale	scale	NN
35613	68	16	of	of	IN
35613	68	17	the	the	DT
35613	68	18	fainter	fainter	NN
35613	68	19	magnitudes	magnitude	NNS
35613	68	20	.	.	.
35613	69	1	According	accord	VBG
35613	69	2	to	to	IN
35613	69	3	Dr.	Dr.	NNP
35613	69	4	Gould	Gould	NNP
35613	69	5	and	and	CC
35613	69	6	some	some	DT
35613	69	7	other	other	JJ
35613	69	8	observers	observer	NNS
35613	69	9	most	most	JJS
35613	69	10	of	of	IN
35613	69	11	the	the	DT
35613	69	12	visible	visible	JJ
35613	69	13	stars	star	NNS
35613	69	14	undergo	undergo	VBP
35613	69	15	slight	slight	JJ
35613	69	16	changes	change	NNS
35613	69	17	of	of	IN
35613	69	18	light	light	NN
35613	69	19	and	and	CC
35613	69	20	should	should	MD
35613	69	21	therefore	therefore	RB
35613	69	22	be	be	VB
35613	69	23	assigned	assign	VBN
35613	69	24	to	to	IN
35613	69	25	the	the	DT
35613	69	26	third	third	JJ
35613	69	27	class	class	NN
35613	69	28	of	of	IN
35613	69	29	variables	variable	NNS
35613	69	30	.	.	.
35613	70	1	It	-PRON-	PRP
35613	70	2	is	be	VBZ
35613	70	3	probable	probable	JJ
35613	70	4	that	that	IN
35613	70	5	our	-PRON-	PRP$
35613	70	6	Sun	Sun	NNP
35613	70	7	also	also	RB
35613	70	8	belongs	belong	VBZ
35613	70	9	to	to	IN
35613	70	10	this	this	DT
35613	70	11	class	class	NN
35613	70	12	,	,	,
35613	70	13	as	as	IN
35613	70	14	it	-PRON-	PRP
35613	70	15	is	be	VBZ
35613	70	16	not	not	RB
35613	70	17	likely	likely	JJ
35613	70	18	that	that	IN
35613	70	19	its	-PRON-	PRP$
35613	70	20	light	light	NN
35613	70	21	is	be	VBZ
35613	70	22	the	the	DT
35613	70	23	same	same	JJ
35613	70	24	during	during	IN
35613	70	25	the	the	DT
35613	70	26	maximum	maximum	JJ
35613	70	27	and	and	CC
35613	70	28	minimum	minimum	NN
35613	70	29	of	of	IN
35613	70	30	the	the	DT
35613	70	31	sun	sun	NN
35613	70	32	spot	spot	NN
35613	70	33	period	period	NN
35613	70	34	.	.	.
35613	71	1	At	at	IN
35613	71	2	present	present	JJ
35613	71	3	we	-PRON-	PRP
35613	71	4	are	be	VBP
35613	71	5	unable	unable	JJ
35613	71	6	to	to	TO
35613	71	7	tell	tell	VB
35613	71	8	in	in	RP
35613	71	9	which	which	WDT
35613	71	10	case	case	NN
35613	71	11	the	the	DT
35613	71	12	light	light	NN
35613	71	13	would	would	MD
35613	71	14	be	be	VB
35613	71	15	greatest	great	JJS
35613	71	16	.	.	.
35613	72	1	It	-PRON-	PRP
35613	72	2	by	by	IN
35613	72	3	no	no	DT
35613	72	4	means	means	NN
35613	72	5	follows	follow	VBZ
35613	72	6	that	that	IN
35613	72	7	when	when	WRB
35613	72	8	the	the	DT
35613	72	9	spots	spot	NNS
35613	72	10	are	be	VBP
35613	72	11	most	most	RBS
35613	72	12	abundant	abundant	JJ
35613	72	13	the	the	DT
35613	72	14	Sun	Sun	NNP
35613	72	15	's	's	POS
35613	72	16	total	total	JJ
35613	72	17	light	light	NN
35613	72	18	is	be	VBZ
35613	72	19	least	least	JJS
35613	72	20	,	,	,
35613	72	21	for	for	IN
35613	72	22	the	the	DT
35613	72	23	remaining	remain	VBG
35613	72	24	portions	portion	NNS
35613	72	25	of	of	IN
35613	72	26	the	the	DT
35613	72	27	Sun	Sun	NNP
35613	72	28	may	may	MD
35613	72	29	then	then	RB
35613	72	30	have	have	VB
35613	72	31	an	an	DT
35613	72	32	increased	increase	VBN
35613	72	33	brightness	brightness	NN
35613	72	34	more	more	JJR
35613	72	35	than	than	IN
35613	72	36	compensating	compensate	VBG
35613	72	37	for	for	IN
35613	72	38	their	-PRON-	PRP$
35613	72	39	diminished	diminished	JJ
35613	72	40	area	area	NN
35613	72	41	.	.	.
35613	73	1	As	as	RB
35613	73	2	long	long	RB
35613	73	3	as	as	IN
35613	73	4	the	the	DT
35613	73	5	suspected	suspect	VBN
35613	73	6	variations	variation	NNS
35613	73	7	in	in	IN
35613	73	8	light	light	NN
35613	73	9	of	of	IN
35613	73	10	the	the	DT
35613	73	11	stars	star	NNS
35613	73	12	are	be	VBP
35613	73	13	small	small	JJ
35613	73	14	,	,	,
35613	73	15	not	not	RB
35613	73	16	exceeding	exceed	VBG
35613	73	17	half	half	PDT
35613	73	18	a	a	DT
35613	73	19	magnitude	magnitude	NN
35613	73	20	for	for	IN
35613	73	21	instance	instance	NN
35613	73	22	,	,	,
35613	73	23	they	-PRON-	PRP
35613	73	24	seem	seem	VBP
35613	73	25	in	in	IN
35613	73	26	the	the	DT
35613	73	27	present	present	JJ
35613	73	28	state	state	NN
35613	73	29	of	of	IN
35613	73	30	science	science	NN
35613	73	31	to	to	TO
35613	73	32	have	have	VB
35613	73	33	comparatively	comparatively	RB
35613	73	34	little	little	JJ
35613	73	35	interest	interest	NN
35613	73	36	.	.	.
35613	74	1	They	-PRON-	PRP
35613	74	2	are	be	VBP
35613	74	3	so	so	RB
35613	74	4	liable	liable	JJ
35613	74	5	to	to	TO
35613	74	6	be	be	VB
35613	74	7	affected	affect	VBN
35613	74	8	,	,	,
35613	74	9	or	or	CC
35613	74	10	even	even	RB
35613	74	11	caused	cause	VBN
35613	74	12	,	,	,
35613	74	13	by	by	IN
35613	74	14	errors	error	NNS
35613	74	15	of	of	IN
35613	74	16	observation	observation	NN
35613	74	17	,	,	,
35613	74	18	that	that	IN
35613	74	19	the	the	DT
35613	74	20	observation	observation	NN
35613	74	21	of	of	IN
35613	74	22	such	such	JJ
35613	74	23	objects	object	NNS
35613	74	24	does	do	VBZ
35613	74	25	not	not	RB
35613	74	26	seem	seem	VB
35613	74	27	now	now	RB
35613	74	28	to	to	TO
35613	74	29	be	be	VB
35613	74	30	advisable	advisable	JJ
35613	74	31	.	.	.
35613	75	1	Doubtless	doubtless	RB
35613	75	2	many	many	JJ
35613	75	3	such	such	JJ
35613	75	4	so	so	RB
35613	75	5	-	-	HYPH
35613	75	6	called	call	VBN
35613	75	7	variables	variable	NNS
35613	75	8	are	be	VBP
35613	75	9	really	really	RB
35613	75	10	due	due	JJ
35613	75	11	to	to	IN
35613	75	12	errors	error	NNS
35613	75	13	caused	cause	VBN
35613	75	14	by	by	IN
35613	75	15	moonlight	moonlight	NN
35613	75	16	,	,	,
35613	75	17	the	the	DT
35613	75	18	proximity	proximity	NN
35613	75	19	of	of	IN
35613	75	20	brighter	bright	JJR
35613	75	21	stars	star	NNS
35613	75	22	,	,	,
35613	75	23	varying	vary	VBG
35613	75	24	position	position	NN
35613	75	25	of	of	IN
35613	75	26	the	the	DT
35613	75	27	images	image	NNS
35613	75	28	on	on	IN
35613	75	29	the	the	DT
35613	75	30	retina	retina	NNP
35613	75	31	of	of	IN
35613	75	32	the	the	DT
35613	75	33	observer	observer	NN
35613	75	34	,	,	,
35613	75	35	and	and	CC
35613	75	36	other	other	JJ
35613	75	37	similar	similar	JJ
35613	75	38	causes	cause	NNS
35613	75	39	.	.	.
35613	76	1	They	-PRON-	PRP
35613	76	2	will	will	MD
35613	76	3	not	not	RB
35613	76	4	therefore	therefore	RB
35613	76	5	be	be	VB
35613	76	6	considered	consider	VBN
35613	76	7	further	far	RBR
35613	76	8	in	in	IN
35613	76	9	this	this	DT
35613	76	10	paper	paper	NN
35613	76	11	.	.	.
35613	77	1	The	the	DT
35613	77	2	stars	star	NNS
35613	77	3	of	of	IN
35613	77	4	the	the	DT
35613	77	5	fourth	fourth	JJ
35613	77	6	class	class	NN
35613	77	7	as	as	IN
35613	77	8	compared	compare	VBN
35613	77	9	with	with	IN
35613	77	10	the	the	DT
35613	77	11	second	second	JJ
35613	77	12	are	be	VBP
35613	77	13	relatively	relatively	RB
35613	77	14	few	few	JJ
35613	77	15	in	in	IN
35613	77	16	number	number	NN
35613	77	17	,	,	,
35613	77	18	and	and	CC
35613	77	19	the	the	DT
35613	77	20	changes	change	NNS
35613	77	21	in	in	IN
35613	77	22	light	light	JJ
35613	77	23	small	small	JJ
35613	77	24	.	.	.
35613	78	1	While	while	IN
35613	78	2	many	many	JJ
35613	78	3	of	of	IN
35613	78	4	them	-PRON-	PRP
35613	78	5	need	need	VBP
35613	78	6	observation	observation	NN
35613	78	7	,	,	,
35613	78	8	especially	especially	RB
35613	78	9	to	to	TO
35613	78	10	determine	determine	VB
35613	78	11	their	-PRON-	PRP$
35613	78	12	light	light	JJ
35613	78	13	curves	curve	NNS
35613	78	14	more	more	RBR
35613	78	15	precisely	precisely	RB
35613	78	16	,	,	,
35613	78	17	it	-PRON-	PRP
35613	78	18	is	be	VBZ
35613	78	19	advised	advise	VBN
35613	78	20	that	that	IN
35613	78	21	this	this	DT
35613	78	22	work	work	NN
35613	78	23	be	be	VB
35613	78	24	left	leave	VBN
35613	78	25	to	to	IN
35613	78	26	those	those	DT
35613	78	27	who	who	WP
35613	78	28	have	have	VBP
35613	78	29	acquired	acquire	VBN
35613	78	30	a	a	DT
35613	78	31	high	high	JJ
35613	78	32	degree	degree	NN
35613	78	33	of	of	IN
35613	78	34	skill	skill	NN
35613	78	35	in	in	IN
35613	78	36	these	these	DT
35613	78	37	observations	observation	NNS
35613	78	38	.	.	.
35613	79	1	That	that	IN
35613	79	2	the	the	DT
35613	79	3	work	work	NN
35613	79	4	may	may	MD
35613	79	5	be	be	VB
35613	79	6	of	of	IN
35613	79	7	value	value	NN
35613	79	8	it	-PRON-	PRP
35613	79	9	is	be	VBZ
35613	79	10	essential	essential	JJ
35613	79	11	that	that	IN
35613	79	12	the	the	DT
35613	79	13	errors	error	NNS
35613	79	14	should	should	MD
35613	79	15	be	be	VB
35613	79	16	extremely	extremely	RB
35613	79	17	small	small	JJ
35613	79	18	.	.	.
35613	80	1	As	as	IN
35613	80	2	,	,	,
35613	80	3	however	however	RB
35613	80	4	,	,	,
35613	80	5	nearly	nearly	RB
35613	80	6	all	all	DT
35613	80	7	are	be	VBP
35613	80	8	visible	visible	JJ
35613	80	9	in	in	IN
35613	80	10	an	an	DT
35613	80	11	opera	opera	NN
35613	80	12	-	-	HYPH
35613	80	13	glass	glass	NN
35613	80	14	,	,	,
35613	80	15	a	a	DT
35613	80	16	skilful	skilful	JJ
35613	80	17	observer	observer	NN
35613	80	18	unprovided	unprovide	VBN
35613	80	19	with	with	IN
35613	80	20	a	a	DT
35613	80	21	telescope	telescope	NN
35613	80	22	may	may	MD
35613	80	23	secure	secure	VB
35613	80	24	valuable	valuable	JJ
35613	80	25	results	result	NNS
35613	80	26	by	by	IN
35613	80	27	their	-PRON-	PRP$
35613	80	28	observation	observation	NN
35613	80	29	.	.	.
35613	81	1	This	this	DT
35613	81	2	remark	remark	NN
35613	81	3	applies	apply	VBZ
35613	81	4	with	with	IN
35613	81	5	especial	especial	JJ
35613	81	6	force	force	NN
35613	81	7	to	to	IN
35613	81	8	many	many	JJ
35613	81	9	of	of	IN
35613	81	10	those	those	DT
35613	81	11	discovered	discover	VBN
35613	81	12	in	in	IN
35613	81	13	the	the	DT
35613	81	14	southern	southern	JJ
35613	81	15	heavens	heaven	NNS
35613	81	16	by	by	IN
35613	81	17	Dr.	Dr.	NNP
35613	81	18	Gould	Gould	NNP
35613	81	19	.	.	.
35613	82	1	The	the	DT
35613	82	2	phenomena	phenomenon	NNS
35613	82	3	of	of	IN
35613	82	4	the	the	DT
35613	82	5	Algol	Algol	NNP
35613	82	6	stars	star	NNS
35613	82	7	are	be	VBP
35613	82	8	in	in	IN
35613	82	9	many	many	JJ
35613	82	10	respects	respect	NNS
35613	82	11	the	the	DT
35613	82	12	most	most	RBS
35613	82	13	striking	striking	JJ
35613	82	14	of	of	IN
35613	82	15	any	any	DT
35613	82	16	.	.	.
35613	83	1	The	the	DT
35613	83	2	rapidity	rapidity	NN
35613	83	3	of	of	IN
35613	83	4	the	the	DT
35613	83	5	changes	change	NNS
35613	83	6	,	,	,
35613	83	7	their	-PRON-	PRP$
35613	83	8	surprising	surprising	JJ
35613	83	9	regularity	regularity	NN
35613	83	10	,	,	,
35613	83	11	and	and	CC
35613	83	12	the	the	DT
35613	83	13	comparative	comparative	JJ
35613	83	14	rarity	rarity	NN
35613	83	15	of	of	IN
35613	83	16	these	these	DT
35613	83	17	objects	object	NNS
35613	83	18	,	,	,
35613	83	19	combine	combine	VB
35613	83	20	to	to	TO
35613	83	21	render	render	VB
35613	83	22	the	the	DT
35613	83	23	discovery	discovery	NN
35613	83	24	of	of	IN
35613	83	25	each	each	DT
35613	83	26	new	new	JJ
35613	83	27	one	one	CD
35613	83	28	a	a	DT
35613	83	29	matter	matter	NN
35613	83	30	of	of	IN
35613	83	31	unusual	unusual	JJ
35613	83	32	interest	interest	NN
35613	83	33	.	.	.
35613	84	1	As	as	IN
35613	84	2	in	in	IN
35613	84	3	the	the	DT
35613	84	4	case	case	NN
35613	84	5	of	of	IN
35613	84	6	stars	star	NNS
35613	84	7	of	of	IN
35613	84	8	the	the	DT
35613	84	9	fourth	fourth	JJ
35613	84	10	class	class	NN
35613	84	11	,	,	,
35613	84	12	however	however	RB
35613	84	13	,	,	,
35613	84	14	the	the	DT
35613	84	15	study	study	NN
35613	84	16	of	of	IN
35613	84	17	their	-PRON-	PRP$
35613	84	18	light	light	JJ
35613	84	19	curves	curve	NNS
35613	84	20	should	should	MD
35613	84	21	be	be	VB
35613	84	22	left	leave	VBN
35613	84	23	to	to	IN
35613	84	24	those	those	DT
35613	84	25	who	who	WP
35613	84	26	have	have	VBP
35613	84	27	acquired	acquire	VBN
35613	84	28	especial	especial	JJ
35613	84	29	skill	skill	NN
35613	84	30	in	in	IN
35613	84	31	this	this	DT
35613	84	32	work	work	NN
35613	84	33	.	.	.
35613	85	1	This	this	DT
35613	85	2	is	be	VBZ
35613	85	3	particularly	particularly	RB
35613	85	4	desirable	desirable	JJ
35613	85	5	,	,	,
35613	85	6	when	when	WRB
35613	85	7	,	,	,
35613	85	8	as	as	IN
35613	85	9	in	in	IN
35613	85	10	this	this	DT
35613	85	11	case	case	NN
35613	85	12	,	,	,
35613	85	13	the	the	DT
35613	85	14	unaided	unaided	JJ
35613	85	15	eye	eye	NN
35613	85	16	enters	enter	VBZ
35613	85	17	into	into	IN
35613	85	18	competition	competition	NN
35613	85	19	with	with	IN
35613	85	20	photometric	photometric	JJ
35613	85	21	apparatus	apparatus	NN
35613	85	22	,	,	,
35613	85	23	by	by	IN
35613	85	24	which	which	WDT
35613	85	25	,	,	,
35613	85	26	as	as	IN
35613	85	27	some	some	DT
35613	85	28	think	think	VBP
35613	85	29	,	,	,
35613	85	30	it	-PRON-	PRP
35613	85	31	should	should	MD
35613	85	32	properly	properly	RB
35613	85	33	be	be	VB
35613	85	34	altogether	altogether	RB
35613	85	35	replaced	replace	VBN
35613	85	36	.	.	.
35613	86	1	An	an	DT
35613	86	2	elaborate	elaborate	JJ
35613	86	3	bibliographical	bibliographical	JJ
35613	86	4	work	work	NN
35613	86	5	on	on	IN
35613	86	6	the	the	DT
35613	86	7	variable	variable	JJ
35613	86	8	stars	star	NNS
35613	86	9	has	have	VBZ
35613	86	10	been	be	VBN
35613	86	11	undertaken	undertake	VBN
35613	86	12	at	at	IN
35613	86	13	this	this	DT
35613	86	14	Observatory	Observatory	NNP
35613	86	15	by	by	IN
35613	86	16	Mr.	Mr.	NNP
35613	86	17	Chandler	Chandler	NNP
35613	86	18	.	.	.
35613	87	1	It	-PRON-	PRP
35613	87	2	will	will	MD
35613	87	3	include	include	VB
35613	87	4	the	the	DT
35613	87	5	collection	collection	NN
35613	87	6	of	of	IN
35613	87	7	all	all	DT
35613	87	8	available	available	JJ
35613	87	9	published	publish	VBN
35613	87	10	observations	observation	NNS
35613	87	11	of	of	IN
35613	87	12	known	known	JJ
35613	87	13	or	or	CC
35613	87	14	suspected	suspect	VBN
35613	87	15	variables	variable	NNS
35613	87	16	.	.	.
35613	88	1	A	a	DT
35613	88	2	catalogue	catalogue	NN
35613	88	3	of	of	IN
35613	88	4	suspected	suspect	VBN
35613	88	5	variables	variable	NNS
35613	88	6	has	have	VBZ
35613	88	7	thus	thus	RB
35613	88	8	been	be	VBN
35613	88	9	prepared	prepare	VBN
35613	88	10	,	,	,
35613	88	11	doubtless	doubtless	RB
35613	88	12	containing	contain	VBG
35613	88	13	many	many	JJ
35613	88	14	stars	star	NNS
35613	88	15	which	which	WDT
35613	88	16	are	be	VBP
35613	88	17	really	really	RB
35613	88	18	important	important	JJ
35613	88	19	variables	variable	NNS
35613	88	20	.	.	.
35613	89	1	But	but	CC
35613	89	2	it	-PRON-	PRP
35613	89	3	is	be	VBZ
35613	89	4	also	also	RB
35613	89	5	likely	likely	JJ
35613	89	6	that	that	IN
35613	89	7	many	many	JJ
35613	89	8	objects	object	NNS
35613	89	9	have	have	VBP
35613	89	10	been	be	VBN
35613	89	11	introduced	introduce	VBN
35613	89	12	in	in	IN
35613	89	13	the	the	DT
35613	89	14	list	list	NN
35613	89	15	by	by	IN
35613	89	16	errors	error	NNS
35613	89	17	in	in	IN
35613	89	18	the	the	DT
35613	89	19	original	original	JJ
35613	89	20	observations	observation	NNS
35613	89	21	.	.	.
35613	90	1	Such	such	JJ
35613	90	2	stars	star	NNS
35613	90	3	often	often	RB
35613	90	4	appear	appear	VBP
35613	90	5	in	in	IN
35613	90	6	one	one	CD
35613	90	7	catalogue	catalogue	NN
35613	90	8	after	after	IN
35613	90	9	another	another	DT
35613	90	10	of	of	IN
35613	90	11	suspected	suspect	VBN
35613	90	12	variables	variable	NNS
35613	90	13	,	,	,
35613	90	14	and	and	CC
35613	90	15	it	-PRON-	PRP
35613	90	16	is	be	VBZ
35613	90	17	difficult	difficult	JJ
35613	90	18	to	to	TO
35613	90	19	prevent	prevent	VB
35613	90	20	the	the	DT
35613	90	21	continued	continue	VBN
35613	90	22	circulation	circulation	NN
35613	90	23	of	of	IN
35613	90	24	such	such	PDT
35613	90	25	an	an	DT
35613	90	26	error	error	NN
35613	90	27	.	.	.
35613	91	1	Of	of	RB
35613	91	2	course	course	RB
35613	91	3	if	if	IN
35613	91	4	an	an	DT
35613	91	5	experienced	experienced	JJ
35613	91	6	observer	observer	NN
35613	91	7	at	at	IN
35613	91	8	any	any	DT
35613	91	9	time	time	NN
35613	91	10	estimates	estimate	VBZ
35613	91	11	a	a	DT
35613	91	12	star	star	NN
35613	91	13	as	as	IN
35613	91	14	above	above	IN
35613	91	15	or	or	CC
35613	91	16	below	below	IN
35613	91	17	its	-PRON-	PRP$
35613	91	18	normal	normal	JJ
35613	91	19	brightness	brightness	NN
35613	91	20	,	,	,
35613	91	21	it	-PRON-	PRP
35613	91	22	is	be	VBZ
35613	91	23	impossible	impossible	JJ
35613	91	24	to	to	TO
35613	91	25	prove	prove	VB
35613	91	26	that	that	IN
35613	91	27	the	the	DT
35613	91	28	observation	observation	NN
35613	91	29	was	be	VBD
35613	91	30	not	not	RB
35613	91	31	correct	correct	JJ
35613	91	32	,	,	,
35613	91	33	and	and	CC
35613	91	34	the	the	DT
35613	91	35	star	star	NN
35613	91	36	really	really	RB
35613	91	37	variable	variable	JJ
35613	91	38	.	.	.
35613	92	1	No	no	DT
35613	92	2	amount	amount	NN
35613	92	3	of	of	IN
35613	92	4	subsequent	subsequent	JJ
35613	92	5	observing	observing	NN
35613	92	6	could	could	MD
35613	92	7	prove	prove	VB
35613	92	8	that	that	IN
35613	92	9	it	-PRON-	PRP
35613	92	10	had	have	VBD
35613	92	11	not	not	RB
35613	92	12	then	then	RB
35613	92	13	,	,	,
35613	92	14	and	and	CC
35613	92	15	then	then	RB
35613	92	16	only	only	RB
35613	92	17	,	,	,
35613	92	18	an	an	DT
35613	92	19	abnormal	abnormal	JJ
35613	92	20	brightness	brightness	NN
35613	92	21	.	.	.
35613	93	1	We	-PRON-	PRP
35613	93	2	can	can	MD
35613	93	3	,	,	,
35613	93	4	however	however	RB
35613	93	5	,	,	,
35613	93	6	prove	prove	VB
35613	93	7	that	that	IN
35613	93	8	in	in	IN
35613	93	9	all	all	DT
35613	93	10	probability	probability	NN
35613	93	11	it	-PRON-	PRP
35613	93	12	does	do	VBZ
35613	93	13	not	not	RB
35613	93	14	belong	belong	VB
35613	93	15	to	to	IN
35613	93	16	one	one	CD
35613	93	17	or	or	CC
35613	93	18	more	more	JJR
35613	93	19	of	of	IN
35613	93	20	the	the	DT
35613	93	21	above	above	JJ
35613	93	22	classes	class	NNS
35613	93	23	,	,	,
35613	93	24	and	and	CC
35613	93	25	thus	thus	RB
35613	93	26	make	make	VB
35613	93	27	it	-PRON-	PRP
35613	93	28	more	more	JJR
35613	93	29	and	and	CC
35613	93	30	more	more	RBR
35613	93	31	probable	probable	JJ
35613	93	32	that	that	IN
35613	93	33	the	the	DT
35613	93	34	observation	observation	NN
35613	93	35	is	be	VBZ
35613	93	36	due	due	JJ
35613	93	37	to	to	IN
35613	93	38	an	an	DT
35613	93	39	error	error	NN
35613	93	40	.	.	.
35613	94	1	If	if	IN
35613	94	2	the	the	DT
35613	94	3	star	star	NN
35613	94	4	varies	vary	VBZ
35613	94	5	in	in	IN
35613	94	6	light	light	NN
35613	94	7	by	by	IN
35613	94	8	one	one	CD
35613	94	9	magnitude	magnitude	NN
35613	94	10	,	,	,
35613	94	11	what	what	WP
35613	94	12	will	will	MD
35613	94	13	be	be	VB
35613	94	14	the	the	DT
35613	94	15	chances	chance	NNS
35613	94	16	that	that	IN
35613	94	17	we	-PRON-	PRP
35613	94	18	shall	shall	MD
35613	94	19	get	get	VB
35613	94	20	a	a	DT
35613	94	21	series	series	NN
35613	94	22	of	of	IN
35613	94	23	observations	observation	NNS
35613	94	24	having	have	VBG
35613	94	25	a	a	DT
35613	94	26	range	range	NN
35613	94	27	of	of	IN
35613	94	28	variation	variation	NN
35613	94	29	of	of	IN
35613	94	30	one	one	CD
35613	94	31	fifth	fifth	NN
35613	94	32	of	of	IN
35613	94	33	a	a	DT
35613	94	34	magnitude	magnitude	NN
35613	94	35	?	?	.
35613	95	1	Evidently	evidently	RB
35613	95	2	on	on	IN
35613	95	3	the	the	DT
35613	95	4	average	average	NN
35613	95	5	,	,	,
35613	95	6	there	there	EX
35613	95	7	will	will	MD
35613	95	8	be	be	VB
35613	95	9	only	only	RB
35613	95	10	one	one	CD
35613	95	11	chance	chance	NN
35613	95	12	out	out	IN
35613	95	13	of	of	IN
35613	95	14	five	five	CD
35613	95	15	that	that	WDT
35613	95	16	any	any	DT
35613	95	17	observation	observation	NN
35613	95	18	shall	shall	MD
35613	95	19	fall	fall	VB
35613	95	20	in	in	IN
35613	95	21	the	the	DT
35613	95	22	same	same	JJ
35613	95	23	fifth	fifth	NN
35613	95	24	of	of	IN
35613	95	25	a	a	DT
35613	95	26	magnitude	magnitude	NN
35613	95	27	as	as	IN
35613	95	28	another	another	DT
35613	95	29	.	.	.
35613	96	1	The	the	DT
35613	96	2	chances	chance	NNS
35613	96	3	for	for	IN
35613	96	4	three	three	CD
35613	96	5	such	such	JJ
35613	96	6	observations	observation	NNS
35613	96	7	will	will	MD
35613	96	8	be	be	VB
35613	96	9	only	only	RB
35613	96	10	1/25	1/25	CD
35613	96	11	and	and	CC
35613	96	12	for	for	IN
35613	96	13	four	four	CD
35613	96	14	1/125	1/125	CD
35613	96	15	,	,	,
35613	96	16	etc	etc	FW
35613	96	17	.	.	.
35613	97	1	These	these	DT
35613	97	2	ratios	ratio	NNS
35613	97	3	expressed	express	VBD
35613	97	4	decimally	decimally	RB
35613	97	5	are	be	VBP
35613	97	6	.2	.2	JJ
35613	97	7	,	,	,
35613	97	8	.04	.04	CD
35613	97	9	,	,	,
35613	97	10	.008	.008	CD
35613	97	11	,	,	,
35613	97	12	0016	0016	CD
35613	97	13	,	,	,
35613	97	14	.0003	.0003	NNP
35613	97	15	,	,	,
35613	97	16	etc	etc	FW
35613	97	17	.	.	.
35613	98	1	Since	since	IN
35613	98	2	the	the	DT
35613	98	3	separate	separate	JJ
35613	98	4	determinations	determination	NNS
35613	98	5	of	of	IN
35613	98	6	the	the	DT
35613	98	7	light	light	NN
35613	98	8	of	of	IN
35613	98	9	a	a	DT
35613	98	10	constant	constant	JJ
35613	98	11	star	star	NN
35613	98	12	by	by	IN
35613	98	13	the	the	DT
35613	98	14	method	method	NN
35613	98	15	given	give	VBN
35613	98	16	below	below	RP
35613	98	17	should	should	MD
35613	98	18	not	not	RB
35613	98	19	differ	differ	VB
35613	98	20	more	more	JJR
35613	98	21	than	than	IN
35613	98	22	two	two	CD
35613	98	23	or	or	CC
35613	98	24	three	three	CD
35613	98	25	tenths	tenth	NNS
35613	98	26	of	of	IN
35613	98	27	a	a	DT
35613	98	28	magnitude	magnitude	NN
35613	98	29	,	,	,
35613	98	30	it	-PRON-	PRP
35613	98	31	is	be	VBZ
35613	98	32	obvious	obvious	JJ
35613	98	33	that	that	IN
35613	98	34	if	if	IN
35613	98	35	the	the	DT
35613	98	36	variations	variation	NNS
35613	98	37	of	of	IN
35613	98	38	the	the	DT
35613	98	39	star	star	NN
35613	98	40	are	be	VBP
35613	98	41	large	large	JJ
35613	98	42	,	,	,
35613	98	43	a	a	DT
35613	98	44	few	few	JJ
35613	98	45	observations	observation	NNS
35613	98	46	would	would	MD
35613	98	47	generally	generally	RB
35613	98	48	establish	establish	VB
35613	98	49	this	this	DT
35613	98	50	fact	fact	NN
35613	98	51	.	.	.
35613	99	1	If	if	IN
35613	99	2	the	the	DT
35613	99	3	star	star	NN
35613	99	4	belongs	belong	VBZ
35613	99	5	to	to	TO
35613	99	6	class	class	NN
35613	99	7	four	four	CD
35613	99	8	,	,	,
35613	99	9	observations	observation	NNS
35613	99	10	on	on	IN
35613	99	11	half	half	PDT
35613	99	12	a	a	DT
35613	99	13	dozen	dozen	NN
35613	99	14	evenings	evening	NNS
35613	99	15	would	would	MD
35613	99	16	hardly	hardly	RB
35613	99	17	fail	fail	VB
35613	99	18	to	to	TO
35613	99	19	show	show	VB
35613	99	20	the	the	DT
35613	99	21	variation	variation	NN
35613	99	22	.	.	.
35613	100	1	Conversely	conversely	RB
35613	100	2	,	,	,
35613	100	3	if	if	IN
35613	100	4	no	no	DT
35613	100	5	such	such	JJ
35613	100	6	variation	variation	NN
35613	100	7	is	be	VBZ
35613	100	8	detected	detect	VBN
35613	100	9	we	-PRON-	PRP
35613	100	10	may	may	MD
35613	100	11	be	be	VB
35613	100	12	almost	almost	RB
35613	100	13	certain	certain	JJ
35613	100	14	that	that	IN
35613	100	15	the	the	DT
35613	100	16	star	star	NN
35613	100	17	is	be	VBZ
35613	100	18	not	not	RB
35613	100	19	a	a	DT
35613	100	20	variable	variable	NN
35613	100	21	of	of	IN
35613	100	22	that	that	DT
35613	100	23	class	class	NN
35613	100	24	,	,	,
35613	100	25	or	or	CC
35613	100	26	at	at	IN
35613	100	27	least	least	JJS
35613	100	28	that	that	IN
35613	100	29	the	the	DT
35613	100	30	variation	variation	NN
35613	100	31	,	,	,
35613	100	32	if	if	IN
35613	100	33	any	any	DT
35613	100	34	,	,	,
35613	100	35	is	be	VBZ
35613	100	36	not	not	RB
35613	100	37	large	large	JJ
35613	100	38	.	.	.
35613	101	1	If	if	IN
35613	101	2	the	the	DT
35613	101	3	star	star	NN
35613	101	4	belongs	belong	VBZ
35613	101	5	to	to	TO
35613	101	6	class	class	NN
35613	101	7	two	two	CD
35613	101	8	,	,	,
35613	101	9	it	-PRON-	PRP
35613	101	10	will	will	MD
35613	101	11	change	change	VB
35613	101	12	so	so	RB
35613	101	13	slowly	slowly	RB
35613	101	14	when	when	WRB
35613	101	15	near	near	IN
35613	101	16	its	-PRON-	PRP$
35613	101	17	maximum	maximum	JJ
35613	101	18	or	or	CC
35613	101	19	minimum	minimum	NN
35613	101	20	that	that	IN
35613	101	21	a	a	DT
35613	101	22	variation	variation	NN
35613	101	23	might	may	MD
35613	101	24	not	not	RB
35613	101	25	be	be	VB
35613	101	26	noted	note	VBN
35613	101	27	if	if	IN
35613	101	28	the	the	DT
35613	101	29	observations	observation	NNS
35613	101	30	are	be	VBP
35613	101	31	near	near	JJ
35613	101	32	together	together	RB
35613	101	33	.	.	.
35613	102	1	An	an	DT
35613	102	2	interval	interval	NN
35613	102	3	of	of	IN
35613	102	4	several	several	JJ
35613	102	5	months	month	NNS
35613	102	6	should	should	MD
35613	102	7	therefore	therefore	RB
35613	102	8	be	be	VB
35613	102	9	allowed	allow	VBN
35613	102	10	to	to	TO
35613	102	11	take	take	VB
35613	102	12	place	place	NN
35613	102	13	,	,	,
35613	102	14	or	or	CC
35613	102	15	perhaps	perhaps	RB
35613	102	16	it	-PRON-	PRP
35613	102	17	would	would	MD
35613	102	18	be	be	VB
35613	102	19	better	well	JJR
35613	102	20	to	to	TO
35613	102	21	wait	wait	VB
35613	102	22	until	until	IN
35613	102	23	the	the	DT
35613	102	24	star	star	NN
35613	102	25	is	be	VBZ
35613	102	26	again	again	RB
35613	102	27	visible	visible	JJ
35613	102	28	the	the	DT
35613	102	29	following	following	JJ
35613	102	30	year	year	NN
35613	102	31	.	.	.
35613	103	1	The	the	DT
35613	103	2	total	total	JJ
35613	103	3	variation	variation	NN
35613	103	4	in	in	IN
35613	103	5	light	light	NN
35613	103	6	is	be	VBZ
35613	103	7	usually	usually	RB
35613	103	8	so	so	RB
35613	103	9	great	great	JJ
35613	103	10	in	in	IN
35613	103	11	these	these	DT
35613	103	12	stars	star	NNS
35613	103	13	that	that	WDT
35613	103	14	the	the	DT
35613	103	15	change	change	NN
35613	103	16	will	will	MD
35613	103	17	often	often	RB
35613	103	18	be	be	VB
35613	103	19	visible	visible	JJ
35613	103	20	at	at	IN
35613	103	21	the	the	DT
35613	103	22	first	first	JJ
35613	103	23	glance	glance	NN
35613	103	24	.	.	.
35613	104	1	To	to	TO
35613	104	2	prove	prove	VB
35613	104	3	that	that	IN
35613	104	4	a	a	DT
35613	104	5	star	star	NN
35613	104	6	does	do	VBZ
35613	104	7	not	not	RB
35613	104	8	belong	belong	VB
35613	104	9	to	to	IN
35613	104	10	the	the	DT
35613	104	11	fifth	fifth	JJ
35613	104	12	class	class	NN
35613	104	13	is	be	VBZ
35613	104	14	a	a	DT
35613	104	15	matter	matter	NN
35613	104	16	of	of	IN
35613	104	17	much	much	RB
35613	104	18	greater	great	JJR
35613	104	19	difficulty	difficulty	NN
35613	104	20	.	.	.
35613	105	1	In	in	IN
35613	105	2	fact	fact	NN
35613	105	3	it	-PRON-	PRP
35613	105	4	is	be	VBZ
35613	105	5	almost	almost	RB
35613	105	6	impossible	impossible	JJ
35613	105	7	to	to	TO
35613	105	8	prove	prove	VB
35613	105	9	that	that	IN
35613	105	10	it	-PRON-	PRP
35613	105	11	may	may	MD
35613	105	12	not	not	RB
35613	105	13	be	be	VB
35613	105	14	an	an	DT
35613	105	15	Algol	Algol	NNP
35613	105	16	star	star	NN
35613	105	17	with	with	IN
35613	105	18	a	a	DT
35613	105	19	long	long	JJ
35613	105	20	period	period	NN
35613	105	21	between	between	IN
35613	105	22	the	the	DT
35613	105	23	minima	minima	NNP
35613	105	24	.	.	.
35613	106	1	Since	since	IN
35613	106	2	these	these	DT
35613	106	3	stars	star	NNS
35613	106	4	may	may	MD
35613	106	5	have	have	VB
35613	106	6	their	-PRON-	PRP$
35613	106	7	full	full	JJ
35613	106	8	brightness	brightness	NN
35613	106	9	for	for	IN
35613	106	10	nine	nine	CD
35613	106	11	tenths	tenth	NNS
35613	106	12	of	of	IN
35613	106	13	the	the	DT
35613	106	14	time	time	NN
35613	106	15	,	,	,
35613	106	16	it	-PRON-	PRP
35613	106	17	is	be	VBZ
35613	106	18	obvious	obvious	JJ
35613	106	19	that	that	IN
35613	106	20	they	-PRON-	PRP
35613	106	21	may	may	MD
35613	106	22	be	be	VB
35613	106	23	examined	examine	VBN
35613	106	24	again	again	RB
35613	106	25	and	and	CC
35613	106	26	again	again	RB
35613	106	27	without	without	IN
35613	106	28	happening	happen	VBG
35613	106	29	to	to	TO
35613	106	30	be	be	VB
35613	106	31	seen	see	VBN
35613	106	32	at	at	IN
35613	106	33	the	the	DT
35613	106	34	time	time	NN
35613	106	35	of	of	IN
35613	106	36	a	a	DT
35613	106	37	minimum	minimum	NN
35613	106	38	.	.	.
35613	107	1	On	on	IN
35613	107	2	the	the	DT
35613	107	3	other	other	JJ
35613	107	4	hand	hand	NN
35613	107	5	,	,	,
35613	107	6	during	during	IN
35613	107	7	a	a	DT
35613	107	8	considerable	considerable	JJ
35613	107	9	portion	portion	NN
35613	107	10	of	of	IN
35613	107	11	the	the	DT
35613	107	12	time	time	NN
35613	107	13	when	when	WRB
35613	107	14	it	-PRON-	PRP
35613	107	15	is	be	VBZ
35613	107	16	varying	vary	VBG
35613	107	17	,	,	,
35613	107	18	the	the	DT
35613	107	19	light	light	NN
35613	107	20	will	will	MD
35613	107	21	be	be	VB
35613	107	22	so	so	RB
35613	107	23	much	much	RB
35613	107	24	less	less	JJR
35613	107	25	than	than	IN
35613	107	26	usual	usual	JJ
35613	107	27	that	that	IN
35613	107	28	a	a	DT
35613	107	29	careful	careful	JJ
35613	107	30	measurement	measurement	NN
35613	107	31	is	be	VBZ
35613	107	32	not	not	RB
35613	107	33	needed	need	VBN
35613	107	34	to	to	TO
35613	107	35	detect	detect	VB
35613	107	36	the	the	DT
35613	107	37	change	change	NN
35613	107	38	.	.	.
35613	108	1	Moreover	moreover	RB
35613	108	2	,	,	,
35613	108	3	it	-PRON-	PRP
35613	108	4	will	will	MD
35613	108	5	be	be	VB
35613	108	6	useless	useless	JJ
35613	108	7	to	to	TO
35613	108	8	look	look	VB
35613	108	9	for	for	IN
35613	108	10	an	an	DT
35613	108	11	increase	increase	NN
35613	108	12	of	of	IN
35613	108	13	light	light	NN
35613	108	14	,	,	,
35613	108	15	and	and	CC
35613	108	16	the	the	DT
35613	108	17	observation	observation	NN
35613	108	18	may	may	MD
35613	108	19	be	be	VB
35613	108	20	so	so	RB
35613	108	21	planned	plan	VBN
35613	108	22	as	as	IN
35613	108	23	to	to	TO
35613	108	24	detect	detect	VB
35613	108	25	a	a	DT
35613	108	26	diminution	diminution	NN
35613	108	27	only	only	RB
35613	108	28	.	.	.
35613	109	1	If	if	IN
35613	109	2	we	-PRON-	PRP
35613	109	3	assume	assume	VBP
35613	109	4	that	that	IN
35613	109	5	only	only	RB
35613	109	6	during	during	IN
35613	109	7	one	one	CD
35613	109	8	tenth	tenth	NN
35613	109	9	of	of	IN
35613	109	10	the	the	DT
35613	109	11	time	time	NN
35613	109	12	the	the	DT
35613	109	13	change	change	NN
35613	109	14	in	in	IN
35613	109	15	light	light	NN
35613	109	16	will	will	MD
35613	109	17	be	be	VB
35613	109	18	sufficient	sufficient	JJ
35613	109	19	to	to	TO
35613	109	20	be	be	VB
35613	109	21	perceptible	perceptible	JJ
35613	109	22	,	,	,
35613	109	23	the	the	DT
35613	109	24	chance	chance	NN
35613	109	25	on	on	IN
35613	109	26	any	any	DT
35613	109	27	given	give	VBN
35613	109	28	evening	evening	NN
35613	109	29	will	will	MD
35613	109	30	be	be	VB
35613	109	31	9	9	CD
35613	109	32	out	out	IN
35613	109	33	of	of	IN
35613	109	34	10	10	CD
35613	109	35	or	or	CC
35613	109	36	9/10	9/10	CD
35613	109	37	that	that	WDT
35613	109	38	the	the	DT
35613	109	39	star	star	NN
35613	109	40	will	will	MD
35613	109	41	have	have	VB
35613	109	42	its	-PRON-	PRP$
35613	109	43	full	full	JJ
35613	109	44	brightness	brightness	NN
35613	109	45	.	.	.
35613	110	1	For	for	IN
35613	110	2	two	two	CD
35613	110	3	evenings	evening	NNS
35613	110	4	the	the	DT
35613	110	5	chance	chance	NN
35613	110	6	will	will	MD
35613	110	7	be	be	VB
35613	110	8	(	(	-LRB-
35613	110	9	9/10)^2	9/10)^2	CD
35613	110	10	for	for	IN
35613	110	11	three	three	CD
35613	110	12	(	(	-LRB-
35613	110	13	9/10)^3	9/10)^3	CD
35613	110	14	,	,	,
35613	110	15	etc	etc	FW
35613	110	16	.	.	.
35613	111	1	These	these	DT
35613	111	2	quantities	quantity	NNS
35613	111	3	expressed	express	VBD
35613	111	4	decimally	decimally	RB
35613	111	5	are	be	VBP
35613	111	6	.9	.9	CD
35613	111	7	,	,	,
35613	111	8	.81	.81	CD
35613	111	9	,	,	,
35613	111	10	.73	.73	NNP
35613	111	11	,	,	,
35613	111	12	.66	.66	NNP
35613	111	13	,	,	,
35613	111	14	.59	.59	NNP
35613	111	15	,	,	,
35613	111	16	.53	.53	NFP
35613	111	17	,	,	,
35613	111	18	.48	.48	NFP
35613	111	19	,	,	,
35613	111	20	etc	etc	FW
35613	111	21	.	.	.
35613	112	1	Even	even	RB
35613	112	2	after	after	IN
35613	112	3	seven	seven	CD
35613	112	4	nights	night	NNS
35613	112	5	'	'	POS
35613	112	6	observations	observation	NNS
35613	112	7	,	,	,
35613	112	8	on	on	IN
35613	112	9	which	which	WDT
35613	112	10	no	no	DT
35613	112	11	change	change	NN
35613	112	12	is	be	VBZ
35613	112	13	noted	note	VBN
35613	112	14	,	,	,
35613	112	15	it	-PRON-	PRP
35613	112	16	will	will	MD
35613	112	17	only	only	RB
35613	112	18	be	be	VB
35613	112	19	about	about	RB
35613	112	20	an	an	DT
35613	112	21	even	even	JJ
35613	112	22	chance	chance	NN
35613	112	23	that	that	IN
35613	112	24	the	the	DT
35613	112	25	star	star	NN
35613	112	26	may	may	MD
35613	112	27	not	not	RB
35613	112	28	still	still	RB
35613	112	29	be	be	VB
35613	112	30	of	of	IN
35613	112	31	the	the	DT
35613	112	32	Algol	Algol	NNP
35613	112	33	type	type	NN
35613	112	34	.	.	.
35613	113	1	A	a	DT
35613	113	2	different	different	JJ
35613	113	3	method	method	NN
35613	113	4	of	of	IN
35613	113	5	observing	observing	NN
35613	113	6	is	be	VBZ
35613	113	7	therefore	therefore	RB
35613	113	8	recommended	recommend	VBN
35613	113	9	when	when	WRB
35613	113	10	the	the	DT
35613	113	11	star	star	NN
35613	113	12	is	be	VBZ
35613	113	13	supposed	suppose	VBN
35613	113	14	to	to	TO
35613	113	15	belong	belong	VB
35613	113	16	to	to	IN
35613	113	17	this	this	DT
35613	113	18	class	class	NN
35613	113	19	.	.	.
35613	114	1	Select	select	VB
35613	114	2	for	for	IN
35613	114	3	comparison	comparison	NN
35613	114	4	a	a	DT
35613	114	5	star	star	NN
35613	114	6	slightly	slightly	RB
35613	114	7	fainter	fainter	NN
35613	114	8	,	,	,
35613	114	9	so	so	IN
35613	114	10	that	that	IN
35613	114	11	a	a	DT
35613	114	12	moment	moment	NN
35613	114	13	's	's	POS
35613	114	14	glance	glance	NN
35613	114	15	will	will	MD
35613	114	16	satisfy	satisfy	VB
35613	114	17	the	the	DT
35613	114	18	observer	observer	NN
35613	114	19	that	that	WDT
35613	114	20	the	the	DT
35613	114	21	suspected	suspect	VBN
35613	114	22	variable	variable	NN
35613	114	23	is	be	VBZ
35613	114	24	the	the	DT
35613	114	25	brighter	bright	JJR
35613	114	26	.	.	.
35613	115	1	It	-PRON-	PRP
35613	115	2	is	be	VBZ
35613	115	3	only	only	RB
35613	115	4	necessary	necessary	JJ
35613	115	5	to	to	TO
35613	115	6	repeat	repeat	VB
35613	115	7	this	this	DT
35613	115	8	observation	observation	NN
35613	115	9	night	night	NN
35613	115	10	after	after	IN
35613	115	11	night	night	NN
35613	115	12	.	.	.
35613	116	1	If	if	IN
35613	116	2	the	the	DT
35613	116	3	star	star	NN
35613	116	4	is	be	VBZ
35613	116	5	bright	bright	JJ
35613	116	6	enough	enough	RB
35613	116	7	to	to	TO
35613	116	8	be	be	VB
35613	116	9	visible	visible	JJ
35613	116	10	with	with	IN
35613	116	11	a	a	DT
35613	116	12	field	field	NN
35613	116	13	glass	glass	NN
35613	116	14	,	,	,
35613	116	15	a	a	DT
35613	116	16	few	few	JJ
35613	116	17	seconds	second	NNS
35613	116	18	will	will	MD
35613	116	19	be	be	VB
35613	116	20	sufficient	sufficient	JJ
35613	116	21	for	for	IN
35613	116	22	this	this	DT
35613	116	23	observation	observation	NN
35613	116	24	after	after	IN
35613	116	25	the	the	DT
35613	116	26	observer	observer	NN
35613	116	27	has	have	VBZ
35613	116	28	become	become	VBN
35613	116	29	familiar	familiar	JJ
35613	116	30	with	with	IN
35613	116	31	the	the	DT
35613	116	32	vicinity	vicinity	NN
35613	116	33	.	.	.
35613	117	1	The	the	DT
35613	117	2	fact	fact	NN
35613	117	3	that	that	IN
35613	117	4	the	the	DT
35613	117	5	light	light	NN
35613	117	6	is	be	VBZ
35613	117	7	normal	normal	JJ
35613	117	8	,	,	,
35613	117	9	and	and	CC
35613	117	10	the	the	DT
35613	117	11	time	time	NN
35613	117	12	to	to	IN
35613	117	13	the	the	DT
35613	117	14	nearest	near	JJS
35613	117	15	minute	minute	NN
35613	117	16	,	,	,
35613	117	17	should	should	MD
35613	117	18	be	be	VB
35613	117	19	recorded	record	VBN
35613	117	20	after	after	IN
35613	117	21	each	each	DT
35613	117	22	observation	observation	NN
35613	117	23	.	.	.
35613	118	1	When	when	WRB
35613	118	2	convenient	convenient	JJ
35613	118	3	,	,	,
35613	118	4	it	-PRON-	PRP
35613	118	5	is	be	VBZ
35613	118	6	well	well	JJ
35613	118	7	to	to	TO
35613	118	8	repeat	repeat	VB
35613	118	9	the	the	DT
35613	118	10	inspection	inspection	NN
35613	118	11	two	two	CD
35613	118	12	or	or	CC
35613	118	13	more	more	JJR
35613	118	14	times	time	NNS
35613	118	15	during	during	IN
35613	118	16	the	the	DT
35613	118	17	night	night	NN
35613	118	18	,	,	,
35613	118	19	as	as	IN
35613	118	20	in	in	IN
35613	118	21	determining	determine	VBG
35613	118	22	the	the	DT
35613	118	23	period	period	NN
35613	118	24	all	all	PDT
35613	118	25	the	the	DT
35613	118	26	observations	observation	NNS
35613	118	27	will	will	MD
35613	118	28	have	have	VB
35613	118	29	a	a	DT
35613	118	30	value	value	NN
35613	118	31	,	,	,
35613	118	32	provided	provide	VBN
35613	118	33	that	that	IN
35613	118	34	they	-PRON-	PRP
35613	118	35	are	be	VBP
35613	118	36	separated	separate	VBN
35613	118	37	by	by	IN
35613	118	38	intervals	interval	NNS
35613	118	39	of	of	IN
35613	118	40	more	more	JJR
35613	118	41	than	than	IN
35613	118	42	two	two	CD
35613	118	43	or	or	CC
35613	118	44	three	three	CD
35613	118	45	hours	hour	NNS
35613	118	46	.	.	.
35613	119	1	If	if	IN
35613	119	2	the	the	DT
35613	119	3	star	star	NN
35613	119	4	is	be	VBZ
35613	119	5	ever	ever	RB
35613	119	6	found	find	VBN
35613	119	7	below	below	IN
35613	119	8	its	-PRON-	PRP$
35613	119	9	normal	normal	JJ
35613	119	10	brightness	brightness	NN
35613	119	11	,	,	,
35613	119	12	comparisons	comparison	NNS
35613	119	13	should	should	MD
35613	119	14	be	be	VB
35613	119	15	made	make	VBN
35613	119	16	with	with	IN
35613	119	17	the	the	DT
35613	119	18	adjacent	adjacent	JJ
35613	119	19	stars	star	NNS
35613	119	20	,	,	,
35613	119	21	and	and	CC
35613	119	22	continued	continue	VBD
35613	119	23	as	as	RB
35613	119	24	long	long	RB
35613	119	25	as	as	IN
35613	119	26	possible	possible	JJ
35613	119	27	,	,	,
35613	119	28	or	or	CC
35613	119	29	until	until	IN
35613	119	30	it	-PRON-	PRP
35613	119	31	has	have	VBZ
35613	119	32	regained	regain	VBN
35613	119	33	its	-PRON-	PRP$
35613	119	34	usual	usual	JJ
35613	119	35	brightness	brightness	NN
35613	119	36	.	.	.
35613	120	1	The	the	DT
35613	120	2	most	most	RBS
35613	120	3	complete	complete	JJ
35613	120	4	proof	proof	NN
35613	120	5	that	that	IN
35613	120	6	a	a	DT
35613	120	7	star	star	NN
35613	120	8	was	be	VBD
35613	120	9	not	not	RB
35613	120	10	of	of	IN
35613	120	11	the	the	DT
35613	120	12	Algol	Algol	NNP
35613	120	13	type	type	NN
35613	120	14	would	would	MD
35613	120	15	be	be	VB
35613	120	16	for	for	IN
35613	120	17	observers	observer	NNS
35613	120	18	in	in	IN
35613	120	19	the	the	DT
35613	120	20	polar	polar	JJ
35613	120	21	regions	region	NNS
35613	120	22	to	to	TO
35613	120	23	examine	examine	VB
35613	120	24	it	-PRON-	PRP
35613	120	25	at	at	IN
35613	120	26	intervals	interval	NNS
35613	120	27	of	of	IN
35613	120	28	a	a	DT
35613	120	29	few	few	JJ
35613	120	30	hours	hour	NNS
35613	120	31	for	for	IN
35613	120	32	several	several	JJ
35613	120	33	days	day	NNS
35613	120	34	,	,	,
35613	120	35	or	or	CC
35613	120	36	for	for	IN
35613	120	37	observers	observer	NNS
35613	120	38	in	in	IN
35613	120	39	different	different	JJ
35613	120	40	longitudes	longitude	NNS
35613	120	41	to	to	TO
35613	120	42	make	make	VB
35613	120	43	the	the	DT
35613	120	44	same	same	JJ
35613	120	45	observations	observation	NNS
35613	120	46	.	.	.
35613	121	1	If	if	IN
35613	121	2	it	-PRON-	PRP
35613	121	3	could	could	MD
35613	121	4	thus	thus	RB
35613	121	5	be	be	VB
35613	121	6	watched	watch	VBN
35613	121	7	for	for	IN
35613	121	8	a	a	DT
35613	121	9	week	week	NN
35613	121	10	or	or	CC
35613	121	11	fortnight	fortnight	NN
35613	121	12	by	by	IN
35613	121	13	enough	enough	JJ
35613	121	14	observers	observer	NNS
35613	121	15	to	to	TO
35613	121	16	avoid	avoid	VB
35613	121	17	interference	interference	NN
35613	121	18	by	by	IN
35613	121	19	clouds	cloud	NNS
35613	121	20	,	,	,
35613	121	21	it	-PRON-	PRP
35613	121	22	would	would	MD
35613	121	23	be	be	VB
35613	121	24	nearly	nearly	RB
35613	121	25	certain	certain	JJ
35613	121	26	that	that	IN
35613	121	27	it	-PRON-	PRP
35613	121	28	is	be	VBZ
35613	121	29	not	not	RB
35613	121	30	an	an	DT
35613	121	31	Algol	Algol	NNP
35613	121	32	star	star	NN
35613	121	33	unless	unless	IN
35613	121	34	its	-PRON-	PRP$
35613	121	35	period	period	NN
35613	121	36	is	be	VBZ
35613	121	37	greater	great	JJR
35613	121	38	than	than	IN
35613	121	39	that	that	DT
35613	121	40	of	of	IN
35613	121	41	any	any	DT
35613	121	42	such	such	JJ
35613	121	43	object	object	NN
35613	121	44	as	as	RB
35613	121	45	yet	yet	RB
35613	121	46	discovered	discover	VBN
35613	121	47	.	.	.
35613	122	1	The	the	DT
35613	122	2	problems	problem	NNS
35613	122	3	to	to	TO
35613	122	4	be	be	VB
35613	122	5	undertaken	undertake	VBN
35613	122	6	may	may	MD
35613	122	7	be	be	VB
35613	122	8	defined	define	VBN
35613	122	9	as	as	IN
35613	122	10	follows:--	follows:--	ADD
35613	122	11	1	1	CD
35613	122	12	.	.	.
35613	123	1	To	to	TO
35613	123	2	observe	observe	VB
35613	123	3	all	all	PDT
35613	123	4	the	the	DT
35613	123	5	long	long	JJ
35613	123	6	period	period	NN
35613	123	7	variables	variable	NNS
35613	123	8	once	once	RB
35613	123	9	or	or	CC
35613	123	10	twice	twice	PDT
35613	123	11	every	every	DT
35613	123	12	month	month	NN
35613	123	13	throughout	throughout	IN
35613	123	14	their	-PRON-	PRP$
35613	123	15	variations	variation	NNS
35613	123	16	according	accord	VBG
35613	123	17	to	to	IN
35613	123	18	such	such	PDT
35613	123	19	a	a	DT
35613	123	20	system	system	NN
35613	123	21	that	that	WDT
35613	123	22	all	all	PDT
35613	123	23	the	the	DT
35613	123	24	observations	observation	NNS
35613	123	25	may	may	MD
35613	123	26	be	be	VB
35613	123	27	reduced	reduce	VBN
35613	123	28	to	to	IN
35613	123	29	the	the	DT
35613	123	30	same	same	JJ
35613	123	31	absolute	absolute	JJ
35613	123	32	scale	scale	NN
35613	123	33	of	of	IN
35613	123	34	magnitudes	magnitude	NNS
35613	123	35	.	.	.
35613	124	1	2	2	LS
35613	124	2	.	.	.
35613	125	1	To	to	TO
35613	125	2	observe	observe	VB
35613	125	3	the	the	DT
35613	125	4	stars	star	NNS
35613	125	5	whose	whose	WP$
35613	125	6	variability	variability	NN
35613	125	7	is	be	VBZ
35613	125	8	suspected	suspect	VBN
35613	125	9	and	and	CC
35613	125	10	prove	prove	VB
35613	125	11	either	either	CC
35613	125	12	that	that	IN
35613	125	13	they	-PRON-	PRP
35613	125	14	are	be	VBP
35613	125	15	really	really	RB
35613	125	16	variable	variable	JJ
35613	125	17	,	,	,
35613	125	18	or	or	CC
35613	125	19	that	that	IN
35613	125	20	in	in	IN
35613	125	21	all	all	DT
35613	125	22	probability	probability	NN
35613	125	23	they	-PRON-	PRP
35613	125	24	do	do	VBP
35613	125	25	not	not	RB
35613	125	26	belong	belong	VB
35613	125	27	to	to	IN
35613	125	28	the	the	DT
35613	125	29	first	first	JJ
35613	125	30	,	,	,
35613	125	31	second	second	JJ
35613	125	32	,	,	,
35613	125	33	or	or	CC
35613	125	34	fourth	fourth	JJ
35613	125	35	class	class	NN
35613	125	36	.	.	.
35613	126	1	If	if	IN
35613	126	2	any	any	DT
35613	126	3	are	be	VBP
35613	126	4	thought	think	VBN
35613	126	5	to	to	TO
35613	126	6	belong	belong	VB
35613	126	7	to	to	IN
35613	126	8	the	the	DT
35613	126	9	fifth	fifth	JJ
35613	126	10	class	class	NN
35613	126	11	,	,	,
35613	126	12	to	to	TO
35613	126	13	watch	watch	VB
35613	126	14	them	-PRON-	PRP
35613	126	15	until	until	IN
35613	126	16	such	such	PDT
35613	126	17	a	a	DT
35613	126	18	variation	variation	NN
35613	126	19	is	be	VBZ
35613	126	20	proved	prove	VBN
35613	126	21	,	,	,
35613	126	22	or	or	CC
35613	126	23	is	be	VBZ
35613	126	24	shown	show	VBN
35613	126	25	to	to	TO
35613	126	26	be	be	VB
35613	126	27	improbable	improbable	JJ
35613	126	28	.	.	.
35613	127	1	All	all	DT
35613	127	2	of	of	IN
35613	127	3	this	this	DT
35613	127	4	work	work	NN
35613	127	5	will	will	MD
35613	127	6	depend	depend	VB
35613	127	7	on	on	IN
35613	127	8	the	the	DT
35613	127	9	possibility	possibility	NN
35613	127	10	of	of	IN
35613	127	11	readily	readily	RB
35613	127	12	determining	determine	VBG
35613	127	13	the	the	DT
35613	127	14	brightness	brightness	NN
35613	127	15	of	of	IN
35613	127	16	a	a	DT
35613	127	17	star	star	NN
35613	127	18	according	accord	VBG
35613	127	19	to	to	IN
35613	127	20	such	such	PDT
35613	127	21	a	a	DT
35613	127	22	method	method	NN
35613	127	23	that	that	IN
35613	127	24	all	all	PDT
35613	127	25	the	the	DT
35613	127	26	observations	observation	NNS
35613	127	27	can	can	MD
35613	127	28	ultimately	ultimately	RB
35613	127	29	be	be	VB
35613	127	30	reduced	reduce	VBN
35613	127	31	to	to	IN
35613	127	32	the	the	DT
35613	127	33	same	same	JJ
35613	127	34	system	system	NN
35613	127	35	.	.	.
35613	128	1	Herschel	Herschel	NNP
35613	128	2	and	and	CC
35613	128	3	Argelander	Argelander	NNP
35613	128	4	have	have	VBP
35613	128	5	independently	independently	RB
35613	128	6	invented	invent	VBN
35613	128	7	what	what	WP
35613	128	8	appears	appear	VBZ
35613	128	9	to	to	TO
35613	128	10	be	be	VB
35613	128	11	the	the	DT
35613	128	12	true	true	JJ
35613	128	13	method	method	NN
35613	128	14	to	to	TO
35613	128	15	be	be	VB
35613	128	16	followed	follow	VBN
35613	128	17	.	.	.
35613	129	1	If	if	IN
35613	129	2	a	a	DT
35613	129	3	star	star	NN
35613	129	4	is	be	VBZ
35613	129	5	seen	see	VBN
35613	129	6	to	to	TO
35613	129	7	be	be	VB
35613	129	8	very	very	RB
35613	129	9	nearly	nearly	RB
35613	129	10	equal	equal	JJ
35613	129	11	to	to	IN
35613	129	12	several	several	JJ
35613	129	13	others	other	NNS
35613	129	14	,	,	,
35613	129	15	from	from	IN
35613	129	16	their	-PRON-	PRP$
35613	129	17	light	light	NN
35613	129	18	we	-PRON-	PRP
35613	129	19	can	can	MD
35613	129	20	at	at	IN
35613	129	21	any	any	DT
35613	129	22	time	time	NN
35613	129	23	define	define	VB
35613	129	24	its	-PRON-	PRP$
35613	129	25	brightness	brightness	NN
35613	129	26	.	.	.
35613	130	1	It	-PRON-	PRP
35613	130	2	is	be	VBZ
35613	130	3	essential	essential	JJ
35613	130	4	that	that	IN
35613	130	5	at	at	RB
35613	130	6	least	least	RBS
35613	130	7	one	one	CD
35613	130	8	of	of	IN
35613	130	9	the	the	DT
35613	130	10	stars	star	NNS
35613	130	11	selected	select	VBN
35613	130	12	should	should	MD
35613	130	13	be	be	VB
35613	130	14	a	a	DT
35613	130	15	little	little	JJ
35613	130	16	brighter	bright	JJR
35613	130	17	,	,	,
35613	130	18	another	another	DT
35613	130	19	a	a	DT
35613	130	20	little	little	JJ
35613	130	21	fainter	fainter	NN
35613	130	22	,	,	,
35613	130	23	than	than	IN
35613	130	24	the	the	DT
35613	130	25	star	star	NN
35613	130	26	to	to	TO
35613	130	27	be	be	VB
35613	130	28	observed	observe	VBN
35613	130	29	.	.	.
35613	131	1	The	the	DT
35613	131	2	range	range	NN
35613	131	3	within	within	IN
35613	131	4	which	which	WDT
35613	131	5	its	-PRON-	PRP$
35613	131	6	light	light	NN
35613	131	7	is	be	VBZ
35613	131	8	known	know	VBN
35613	131	9	is	be	VBZ
35613	131	10	thus	thus	RB
35613	131	11	also	also	RB
35613	131	12	defined	define	VBN
35613	131	13	.	.	.
35613	132	1	Such	such	JJ
35613	132	2	observations	observation	NNS
35613	132	3	will	will	MD
35613	132	4	far	far	RB
35613	132	5	exceed	exceed	VB
35613	132	6	in	in	IN
35613	132	7	value	value	NN
35613	132	8	any	any	DT
35613	132	9	direct	direct	JJ
35613	132	10	estimate	estimate	NN
35613	132	11	of	of	IN
35613	132	12	magnitude	magnitude	NN
35613	132	13	.	.	.
35613	133	1	When	when	WRB
35613	133	2	stars	star	NNS
35613	133	3	are	be	VBP
35613	133	4	to	to	TO
35613	133	5	be	be	VB
35613	133	6	compared	compare	VBN
35613	133	7	many	many	JJ
35613	133	8	times	time	NNS
35613	133	9	,	,	,
35613	133	10	it	-PRON-	PRP
35613	133	11	is	be	VBZ
35613	133	12	convenient	convenient	JJ
35613	133	13	to	to	TO
35613	133	14	designate	designate	VB
35613	133	15	them	-PRON-	PRP
35613	133	16	by	by	IN
35613	133	17	letters	letter	NNS
35613	133	18	for	for	IN
35613	133	19	brevity	brevity	NN
35613	133	20	.	.	.
35613	134	1	Let	let	VB
35613	134	2	_	_	NNP
35613	134	3	v	v	NNP
35613	134	4	_	_	NNP
35613	134	5	represent	represent	VB
35613	134	6	a	a	DT
35613	134	7	star	star	NN
35613	134	8	which	which	WDT
35613	134	9	is	be	VBZ
35613	134	10	suspected	suspect	VBN
35613	134	11	to	to	TO
35613	134	12	be	be	VB
35613	134	13	variable	variable	JJ
35613	134	14	,	,	,
35613	134	15	and	and	CC
35613	134	16	_	_	NNP
35613	134	17	a	a	DT
35613	134	18	_	_	NNP
35613	134	19	an	an	DT
35613	134	20	adjacent	adjacent	JJ
35613	134	21	star	star	NN
35613	134	22	of	of	IN
35613	134	23	nearly	nearly	RB
35613	134	24	equal	equal	JJ
35613	134	25	brightness	brightness	NN
35613	134	26	.	.	.
35613	135	1	Owing	owe	VBG
35613	135	2	to	to	IN
35613	135	3	fluctuations	fluctuation	NNS
35613	135	4	in	in	IN
35613	135	5	the	the	DT
35613	135	6	atmosphere	atmosphere	NN
35613	135	7	,	,	,
35613	135	8	each	each	DT
35613	135	9	star	star	NN
35613	135	10	will	will	MD
35613	135	11	appear	appear	VB
35613	135	12	to	to	TO
35613	135	13	be	be	VB
35613	135	14	constantly	constantly	RB
35613	135	15	varying	vary	VBG
35613	135	16	in	in	IN
35613	135	17	brightness	brightness	NN
35613	135	18	.	.	.
35613	136	1	If	if	IN
35613	136	2	the	the	DT
35613	136	3	stars	star	NNS
35613	136	4	appear	appear	VBP
35613	136	5	equal	equal	JJ
35613	136	6	after	after	IN
35613	136	7	a	a	DT
35613	136	8	careful	careful	JJ
35613	136	9	examination	examination	NN
35613	136	10	,	,	,
35613	136	11	or	or	CC
35613	136	12	if	if	IN
35613	136	13	one	one	PRP
35613	136	14	appears	appear	VBZ
35613	136	15	brighter	bright	JJR
35613	136	16	as	as	RB
35613	136	17	often	often	RB
35613	136	18	as	as	IN
35613	136	19	it	-PRON-	PRP
35613	136	20	appears	appear	VBZ
35613	136	21	fainter	fainter	NN
35613	136	22	than	than	IN
35613	136	23	the	the	DT
35613	136	24	other	other	JJ
35613	136	25	,	,	,
35613	136	26	we	-PRON-	PRP
35613	136	27	may	may	MD
35613	136	28	denote	denote	VB
35613	136	29	this	this	DT
35613	136	30	equality	equality	NN
35613	136	31	by	by	IN
35613	136	32	_	_	NNP
35613	136	33	av	av	NNP
35613	136	34	_	_	NNP
35613	136	35	or	or	CC
35613	136	36	_	_	NNP
35613	136	37	va	va	NNP
35613	136	38	_	_	NNP
35613	136	39	,	,	,
35613	136	40	these	these	DT
35613	136	41	terms	term	NNS
35613	136	42	having	have	VBG
35613	136	43	precisely	precisely	RB
35613	136	44	the	the	DT
35613	136	45	same	same	JJ
35613	136	46	meaning	meaning	NN
35613	136	47	.	.	.
35613	137	1	If	if	IN
35613	137	2	one	one	CD
35613	137	3	of	of	IN
35613	137	4	the	the	DT
35613	137	5	stars	star	NNS
35613	137	6	is	be	VBZ
35613	137	7	suspected	suspect	VBN
35613	137	8	to	to	TO
35613	137	9	be	be	VB
35613	137	10	brighter	bright	JJR
35613	137	11	,	,	,
35613	137	12	that	that	RB
35613	137	13	is	is	RB
35613	137	14	,	,	,
35613	137	15	if	if	IN
35613	137	16	it	-PRON-	PRP
35613	137	17	appears	appear	VBZ
35613	137	18	sometimes	sometimes	RB
35613	137	19	brighter	bright	JJR
35613	137	20	and	and	CC
35613	137	21	sometimes	sometimes	RB
35613	137	22	fainter	fainter	NN
35613	137	23	,	,	,
35613	137	24	but	but	CC
35613	137	25	more	more	RBR
35613	137	26	frequently	frequently	RB
35613	137	27	brighter	bright	JJR
35613	137	28	,	,	,
35613	137	29	the	the	DT
35613	137	30	interval	interval	NN
35613	137	31	may	may	MD
35613	137	32	be	be	VB
35613	137	33	designated	designate	VBN
35613	137	34	as	as	IN
35613	137	35	one	one	CD
35613	137	36	grade	grade	NN
35613	137	37	.	.	.
35613	138	1	The	the	DT
35613	138	2	observation	observation	NN
35613	138	3	may	may	MD
35613	138	4	be	be	VB
35613	138	5	written	write	VBN
35613	138	6	_	_	NNP
35613	138	7	a	a	DT
35613	138	8	_	_	NNP
35613	138	9	1	1	CD
35613	138	10	_	_	NNP
35613	138	11	v	v	NNP
35613	138	12	_	_	NNP
35613	138	13	or	or	CC
35613	138	14	_	_	NNP
35613	138	15	v	v	NNP
35613	138	16	_	_	NNP
35613	138	17	1	1	CD
35613	138	18	_	_	NNP
35613	138	19	a	a	DT
35613	138	20	_	_	NNP
35613	138	21	,	,	,
35613	138	22	the	the	DT
35613	138	23	brightest	bright	JJS
35613	138	24	star	star	NN
35613	138	25	being	be	VBG
35613	138	26	named	name	VBN
35613	138	27	first	first	RB
35613	138	28	.	.	.
35613	139	1	If	if	IN
35613	139	2	one	one	CD
35613	139	3	star	star	NN
35613	139	4	is	be	VBZ
35613	139	5	certainly	certainly	RB
35613	139	6	brighter	bright	JJR
35613	139	7	than	than	IN
35613	139	8	the	the	DT
35613	139	9	other	other	JJ
35613	139	10	,	,	,
35613	139	11	the	the	DT
35613	139	12	difference	difference	NN
35613	139	13	,	,	,
35613	139	14	however	however	RB
35613	139	15	,	,	,
35613	139	16	being	be	VBG
35613	139	17	very	very	RB
35613	139	18	small	small	JJ
35613	139	19	,	,	,
35613	139	20	so	so	IN
35613	139	21	that	that	IN
35613	139	22	they	-PRON-	PRP
35613	139	23	sometimes	sometimes	RB
35613	139	24	appear	appear	VBP
35613	139	25	equal	equal	JJ
35613	139	26	,	,	,
35613	139	27	the	the	DT
35613	139	28	difference	difference	NN
35613	139	29	will	will	MD
35613	139	30	be	be	VB
35613	139	31	two	two	CD
35613	139	32	grades	grade	NNS
35613	139	33	,	,	,
35613	139	34	and	and	CC
35613	139	35	may	may	MD
35613	139	36	be	be	VB
35613	139	37	written	write	VBN
35613	139	38	_	_	NNP
35613	139	39	a	a	DT
35613	139	40	_	_	NNP
35613	139	41	2	2	CD
35613	139	42	_	_	NNP
35613	139	43	v	v	NNP
35613	139	44	_	_	NNP
35613	139	45	or	or	CC
35613	139	46	_	_	NNP
35613	139	47	v	v	NNP
35613	139	48	_	_	NNP
35613	139	49	2	2	CD
35613	139	50	_	_	NNP
35613	139	51	a	a	DT
35613	139	52	_	_	NNP
35613	139	53	.	.	.
35613	140	1	Greater	great	JJR
35613	140	2	intervals	interval	NNS
35613	140	3	may	may	MD
35613	140	4	be	be	VB
35613	140	5	estimated	estimate	VBN
35613	140	6	as	as	IN
35613	140	7	three	three	CD
35613	140	8	or	or	CC
35613	140	9	four	four	CD
35613	140	10	grades	grade	NNS
35613	140	11	,	,	,
35613	140	12	but	but	CC
35613	140	13	such	such	JJ
35613	140	14	observations	observation	NNS
35613	140	15	have	have	VBP
35613	140	16	much	much	RB
35613	140	17	less	less	JJR
35613	140	18	value	value	NN
35613	140	19	.	.	.
35613	141	1	It	-PRON-	PRP
35613	141	2	is	be	VBZ
35613	141	3	found	find	VBN
35613	141	4	in	in	IN
35613	141	5	practice	practice	NN
35613	141	6	that	that	IN
35613	141	7	a	a	DT
35613	141	8	grade	grade	NN
35613	141	9	thus	thus	RB
35613	141	10	estimated	estimate	VBN
35613	141	11	will	will	MD
35613	141	12	slightly	slightly	RB
35613	141	13	exceed	exceed	VB
35613	141	14	a	a	DT
35613	141	15	tenth	tenth	NN
35613	141	16	of	of	IN
35613	141	17	a	a	DT
35613	141	18	magnitude	magnitude	NN
35613	141	19	.	.	.
35613	142	1	A	a	DT
35613	142	2	useful	useful	JJ
35613	142	3	exercise	exercise	NN
35613	142	4	for	for	IN
35613	142	5	an	an	DT
35613	142	6	observer	observer	NN
35613	142	7	is	be	VBZ
35613	142	8	to	to	TO
35613	142	9	select	select	VB
35613	142	10	two	two	CD
35613	142	11	stars	star	NNS
35613	142	12	of	of	IN
35613	142	13	known	know	VBN
35613	142	14	magnitude	magnitude	NN
35613	142	15	and	and	CC
35613	142	16	several	several	JJ
35613	142	17	others	other	NNS
35613	142	18	of	of	IN
35613	142	19	intermediate	intermediate	JJ
35613	142	20	brightness	brightness	NN
35613	142	21	.	.	.
35613	143	1	Arrange	arrange	VB
35613	143	2	them	-PRON-	PRP
35613	143	3	in	in	IN
35613	143	4	a	a	DT
35613	143	5	series	series	NN
35613	143	6	in	in	IN
35613	143	7	the	the	DT
35613	143	8	order	order	NN
35613	143	9	of	of	IN
35613	143	10	brightness	brightness	NN
35613	143	11	,	,	,
35613	143	12	and	and	CC
35613	143	13	estimate	estimate	VB
35613	143	14	the	the	DT
35613	143	15	intervals	interval	NNS
35613	143	16	in	in	IN
35613	143	17	grades	grade	NNS
35613	143	18	.	.	.
35613	144	1	The	the	DT
35613	144	2	difference	difference	NN
35613	144	3	in	in	IN
35613	144	4	magnitude	magnitude	NN
35613	144	5	of	of	IN
35613	144	6	the	the	DT
35613	144	7	first	first	JJ
35613	144	8	stars	star	NNS
35613	144	9	divided	divide	VBN
35613	144	10	by	by	IN
35613	144	11	the	the	DT
35613	144	12	total	total	JJ
35613	144	13	number	number	NN
35613	144	14	of	of	IN
35613	144	15	grades	grade	NNS
35613	144	16	gives	give	VBZ
35613	144	17	the	the	DT
35613	144	18	value	value	NN
35613	144	19	of	of	IN
35613	144	20	one	one	CD
35613	144	21	grade	grade	NN
35613	144	22	.	.	.
35613	145	1	By	by	IN
35613	145	2	using	use	VBG
35613	145	3	different	different	JJ
35613	145	4	intermediate	intermediate	JJ
35613	145	5	stars	star	NNS
35613	145	6	,	,	,
35613	145	7	the	the	DT
35613	145	8	same	same	JJ
35613	145	9	standard	standard	JJ
35613	145	10	stars	star	NNS
35613	145	11	may	may	MD
35613	145	12	be	be	VB
35613	145	13	employed	employ	VBN
35613	145	14	repeatedly	repeatedly	RB
35613	145	15	.	.	.
35613	146	1	The	the	DT
35613	146	2	following	follow	VBG
35613	146	3	well	well	RB
35613	146	4	-	-	HYPH
35613	146	5	known	know	VBN
35613	146	6	polar	polar	JJ
35613	146	7	stars	star	NNS
35613	146	8	will	will	MD
35613	146	9	be	be	VB
35613	146	10	convenient	convenient	JJ
35613	146	11	,	,	,
35613	146	12	since	since	IN
35613	146	13	they	-PRON-	PRP
35613	146	14	are	be	VBP
35613	146	15	always	always	RB
35613	146	16	visible:--	visible:--	.
35613	146	17	_	_	NNP
35613	146	18	a	a	DT
35613	146	19	alpha	alpha	NN
35613	146	20	Ursae	Ursae	NNP
35613	146	21	Minoris	Minoris	NNP
35613	146	22	_	_	NNP
35613	146	23	,	,	,
35613	146	24	2.2	2.2	CD
35613	146	25	magn	magn	NN
35613	146	26	.	.	.
35613	147	1	;	;	:
35613	147	2	gamma	gamma	NN
35613	147	3	_	_	NNP
35613	147	4	Ursae	Ursae	NNP
35613	147	5	Minoris	Minoris	NNP
35613	147	6	_	_	NNP
35613	147	7	,	,	,
35613	147	8	3.0	3.0	CD
35613	147	9	magn	magn	NN
35613	147	10	.	.	.
35613	148	1	;	;	:
35613	148	2	delta	delta	NNP
35613	148	3	_	_	NNP
35613	148	4	Ursae	Ursae	NNP
35613	148	5	Minoris	Minoris	NNP
35613	148	6	_	_	NNP
35613	148	7	,	,	,
35613	148	8	4.4	4.4	CD
35613	148	9	magn	magn	NN
35613	148	10	.	.	.
35613	149	1	;	;	:
35613	149	2	51	51	CD
35613	149	3	_	_	NNP
35613	149	4	Cephi	Cephi	NNP
35613	149	5	_	_	NNP
35613	149	6	,	,	,
35613	149	7	5.4	5.4	CD
35613	149	8	magn	magn	NN
35613	149	9	.	.	.
35613	150	1	;	;	:
35613	150	2	lambda	lambda	NNP
35613	150	3	_	_	NNP
35613	150	4	Ursae	Ursae	NNP
35613	150	5	Minoris	Minoris	NNP
35613	150	6	_	_	NNP
35613	150	7	,	,	,
35613	150	8	6.5	6.5	CD
35613	150	9	magn	magn	NN
35613	150	10	.	.	.
35613	151	1	The	the	DT
35613	151	2	above	above	JJ
35613	151	3	method	method	NN
35613	151	4	is	be	VBZ
35613	151	5	essentially	essentially	RB
35613	151	6	that	that	DT
35613	151	7	of	of	IN
35613	151	8	Argelander	Argelander	NNP
35613	151	9	.	.	.
35613	152	1	Sir	Sir	NNP
35613	152	2	William	William	NNP
35613	152	3	Herschel	Herschel	NNP
35613	152	4	had	have	VBD
35613	152	5	already	already	RB
35613	152	6	employed	employ	VBN
35613	152	7	a	a	DT
35613	152	8	method	method	NN
35613	152	9	which	which	WDT
35613	152	10	differed	differ	VBD
35613	152	11	mainly	mainly	RB
35613	152	12	in	in	IN
35613	152	13	his	-PRON-	PRP$
35613	152	14	notation	notation	NN
35613	152	15	,	,	,
35613	152	16	a	a	DT
35613	152	17	.	.	.
35613	153	1	,	,	,
35613	153	2	and	and	CC
35613	153	3	--	--	:
35613	153	4	being	be	VBG
35613	153	5	equivalent	equivalent	JJ
35613	153	6	to	to	IN
35613	153	7	one	one	CD
35613	153	8	,	,	,
35613	153	9	two	two	CD
35613	153	10	,	,	,
35613	153	11	or	or	CC
35613	153	12	three	three	CD
35613	153	13	grades	grade	NNS
35613	153	14	.	.	.
35613	154	1	In	in	IN
35613	154	2	all	all	DT
35613	154	3	work	work	NN
35613	154	4	of	of	IN
35613	154	5	this	this	DT
35613	154	6	kind	kind	NN
35613	154	7	the	the	DT
35613	154	8	observer	observer	NN
35613	154	9	must	must	MD
35613	154	10	look	look	VB
35613	154	11	directly	directly	RB
35613	154	12	at	at	IN
35613	154	13	the	the	DT
35613	154	14	star	star	NN
35613	154	15	he	-PRON-	PRP
35613	154	16	is	be	VBZ
35613	154	17	observing	observe	VBG
35613	154	18	at	at	IN
35613	154	19	the	the	DT
35613	154	20	moment	moment	NN
35613	154	21	,	,	,
35613	154	22	and	and	CC
35613	154	23	never	never	RB
35613	154	24	try	try	VB
35613	154	25	to	to	TO
35613	154	26	compare	compare	VB
35613	154	27	two	two	CD
35613	154	28	stars	star	NNS
35613	154	29	by	by	IN
35613	154	30	a	a	DT
35613	154	31	simultaneous	simultaneous	JJ
35613	154	32	inspection	inspection	NN
35613	154	33	of	of	IN
35613	154	34	both	both	DT
35613	154	35	.	.	.
35613	155	1	After	after	IN
35613	155	2	examining	examine	VBG
35613	155	3	one	one	CD
35613	155	4	star	star	NN
35613	155	5	until	until	IN
35613	155	6	he	-PRON-	PRP
35613	155	7	has	have	VBZ
35613	155	8	a	a	DT
35613	155	9	distinct	distinct	JJ
35613	155	10	impression	impression	NN
35613	155	11	of	of	IN
35613	155	12	its	-PRON-	PRP$
35613	155	13	average	average	JJ
35613	155	14	brightness	brightness	NN
35613	155	15	,	,	,
35613	155	16	freed	free	VBN
35613	155	17	from	from	IN
35613	155	18	the	the	DT
35613	155	19	momentary	momentary	JJ
35613	155	20	changes	change	NNS
35613	155	21	due	due	JJ
35613	155	22	to	to	IN
35613	155	23	atmospheric	atmospheric	JJ
35613	155	24	disturbance	disturbance	NN
35613	155	25	,	,	,
35613	155	26	he	-PRON-	PRP
35613	155	27	should	should	MD
35613	155	28	observe	observe	VB
35613	155	29	the	the	DT
35613	155	30	other	other	JJ
35613	155	31	in	in	IN
35613	155	32	the	the	DT
35613	155	33	same	same	JJ
35613	155	34	manner	manner	NN
35613	155	35	.	.	.
35613	156	1	Alternate	alternate	JJ
35613	156	2	observations	observation	NNS
35613	156	3	of	of	IN
35613	156	4	the	the	DT
35613	156	5	two	two	CD
35613	156	6	stars	star	NNS
35613	156	7	,	,	,
35613	156	8	each	each	DT
35613	156	9	observation	observation	NN
35613	156	10	lasting	last	VBG
35613	156	11	for	for	IN
35613	156	12	a	a	DT
35613	156	13	few	few	JJ
35613	156	14	seconds	second	NNS
35613	156	15	,	,	,
35613	156	16	will	will	MD
35613	156	17	give	give	VB
35613	156	18	a	a	DT
35613	156	19	truer	truer	NN
35613	156	20	impression	impression	NN
35613	156	21	than	than	IN
35613	156	22	can	can	MD
35613	156	23	be	be	VB
35613	156	24	derived	derive	VBN
35613	156	25	from	from	IN
35613	156	26	a	a	DT
35613	156	27	simultaneous	simultaneous	JJ
35613	156	28	observation	observation	NN
35613	156	29	in	in	IN
35613	156	30	which	which	WDT
35613	156	31	the	the	DT
35613	156	32	two	two	CD
35613	156	33	images	image	NNS
35613	156	34	must	must	MD
35613	156	35	be	be	VB
35613	156	36	differently	differently	RB
35613	156	37	placed	place	VBN
35613	156	38	on	on	IN
35613	156	39	the	the	DT
35613	156	40	retina	retina	NNP
35613	156	41	.	.	.
35613	157	1	The	the	DT
35613	157	2	principal	principal	JJ
35613	157	3	objection	objection	NN
35613	157	4	to	to	IN
35613	157	5	this	this	DT
35613	157	6	method	method	NN
35613	157	7	is	be	VBZ
35613	157	8	the	the	DT
35613	157	9	difficulty	difficulty	NN
35613	157	10	of	of	IN
35613	157	11	determining	determine	VBG
35613	157	12	the	the	DT
35613	157	13	value	value	NN
35613	157	14	of	of	IN
35613	157	15	a	a	DT
35613	157	16	grade	grade	NN
35613	157	17	,	,	,
35613	157	18	as	as	IN
35613	157	19	it	-PRON-	PRP
35613	157	20	is	be	VBZ
35613	157	21	liable	liable	JJ
35613	157	22	to	to	TO
35613	157	23	vary	vary	VB
35613	157	24	with	with	IN
35613	157	25	the	the	DT
35613	157	26	observer	observer	NN
35613	157	27	,	,	,
35613	157	28	the	the	DT
35613	157	29	time	time	NN
35613	157	30	,	,	,
35613	157	31	the	the	DT
35613	157	32	condition	condition	NN
35613	157	33	of	of	IN
35613	157	34	the	the	DT
35613	157	35	air	air	NN
35613	157	36	,	,	,
35613	157	37	and	and	CC
35613	157	38	the	the	DT
35613	157	39	brightness	brightness	NN
35613	157	40	of	of	IN
35613	157	41	the	the	DT
35613	157	42	stars	star	NNS
35613	157	43	.	.	.
35613	158	1	These	these	DT
35613	158	2	difficulties	difficulty	NNS
35613	158	3	are	be	VBP
35613	158	4	avoided	avoid	VBN
35613	158	5	by	by	IN
35613	158	6	the	the	DT
35613	158	7	following	following	JJ
35613	158	8	method	method	NN
35613	158	9	.	.	.
35613	159	1	Select	select	VB
35613	159	2	two	two	CD
35613	159	3	stars	star	NNS
35613	159	4	for	for	IN
35613	159	5	comparison	comparison	NN
35613	159	6	;	;	:
35613	159	7	one	one	CD
35613	159	8	,	,	,
35613	159	9	_	_	NNP
35613	159	10	a	a	DT
35613	159	11	_	_	NNP
35613	159	12	,	,	,
35613	159	13	slightly	slightly	RB
35613	159	14	brighter	bright	JJR
35613	159	15	than	than	IN
35613	159	16	the	the	DT
35613	159	17	star	star	NN
35613	159	18	to	to	TO
35613	159	19	be	be	VB
35613	159	20	measured	measure	VBN
35613	159	21	,	,	,
35613	159	22	_	_	NNP
35613	159	23	v	v	NNP
35613	159	24	_	_	NNP
35613	159	25	,	,	,
35613	159	26	the	the	DT
35613	159	27	other	other	JJ
35613	159	28	,	,	,
35613	159	29	_	_	NNP
35613	159	30	b	b	NNP
35613	159	31	_	_	NNP
35613	159	32	,	,	,
35613	159	33	slightly	slightly	RB
35613	159	34	fainter	fainter	NN
35613	159	35	.	.	.
35613	160	1	The	the	DT
35613	160	2	interval	interval	NN
35613	160	3	between	between	IN
35613	160	4	_	_	NNP
35613	160	5	a	a	DT
35613	160	6	_	_	NNP
35613	160	7	and	and	CC
35613	160	8	_	_	NNP
35613	160	9	b	b	NNP
35613	160	10	_	_	NNP
35613	160	11	should	should	MD
35613	160	12	never	never	RB
35613	160	13	exceed	exceed	VB
35613	160	14	one	one	CD
35613	160	15	magnitude	magnitude	NN
35613	160	16	.	.	.
35613	161	1	Estimate	estimate	VB
35613	161	2	the	the	DT
35613	161	3	brightness	brightness	NN
35613	161	4	of	of	IN
35613	161	5	_	_	NNP
35613	161	6	v	v	NNP
35613	161	7	_	_	NNP
35613	161	8	in	in	IN
35613	161	9	tenths	tenth	NNS
35613	161	10	of	of	IN
35613	161	11	the	the	DT
35613	161	12	interval	interval	NN
35613	161	13	from	from	IN
35613	161	14	_	_	NNP
35613	161	15	a	a	DT
35613	161	16	_	_	NNP
35613	161	17	to	to	IN
35613	161	18	_	_	NNP
35613	161	19	b	b	NNP
35613	161	20	_	_	NNP
35613	161	21	.	.	.
35613	162	1	Thus	thus	RB
35613	162	2	,	,	,
35613	162	3	if	if	IN
35613	162	4	_	_	NNP
35613	162	5	v	v	NNP
35613	162	6	_	_	NNP
35613	162	7	is	be	VBZ
35613	162	8	midway	midway	NN
35613	162	9	between	between	IN
35613	162	10	_	_	NNP
35613	162	11	a	a	DT
35613	162	12	_	_	NNP
35613	162	13	and	and	CC
35613	162	14	_	_	NNP
35613	162	15	b	b	NNP
35613	162	16	_	_	NNP
35613	162	17	the	the	DT
35613	162	18	interval	interval	NN
35613	162	19	will	will	MD
35613	162	20	be	be	VB
35613	162	21	five	five	CD
35613	162	22	tenths	tenth	NNS
35613	162	23	,	,	,
35613	162	24	and	and	CC
35613	162	25	we	-PRON-	PRP
35613	162	26	may	may	MD
35613	162	27	write	write	VB
35613	162	28	_	_	NNP
35613	162	29	a	a	DT
35613	162	30	_	_	NNP
35613	162	31	5	5	CD
35613	162	32	_	_	NNP
35613	162	33	b	b	NNP
35613	162	34	_	_	NNP
35613	162	35	.	.	.
35613	163	1	If	if	IN
35613	163	2	_	_	NNP
35613	163	3	v	v	NNP
35613	163	4	_	_	NNP
35613	163	5	is	be	VBZ
35613	163	6	nearly	nearly	RB
35613	163	7	as	as	RB
35613	163	8	bright	bright	JJ
35613	163	9	as	as	IN
35613	163	10	_	_	NNP
35613	163	11	a	a	DT
35613	163	12	_	_	NNP
35613	163	13	,	,	,
35613	163	14	we	-PRON-	PRP
35613	163	15	may	may	MD
35613	163	16	have	have	VB
35613	163	17	_	_	NNP
35613	163	18	a	a	DT
35613	163	19	_	_	NNP
35613	163	20	1	1	CD
35613	163	21	_	_	NNP
35613	163	22	b	b	NNP
35613	163	23	_	_	NNP
35613	163	24	or	or	CC
35613	163	25	_	_	NNP
35613	163	26	a	a	DT
35613	163	27	_	_	NNP
35613	163	28	2	2	CD
35613	163	29	_	_	NNP
35613	163	30	b	b	NNP
35613	163	31	_	_	NNP
35613	163	32	;	;	:
35613	163	33	if	if	IN
35613	163	34	_	_	NNP
35613	163	35	v	v	NNP
35613	163	36	_	_	NNP
35613	163	37	is	be	VBZ
35613	163	38	not	not	RB
35613	163	39	much	much	RB
35613	163	40	brighter	bright	JJR
35613	163	41	than	than	IN
35613	163	42	_	_	NNP
35613	163	43	b	b	NNP
35613	163	44	_	_	NNP
35613	163	45	,	,	,
35613	163	46	we	-PRON-	PRP
35613	163	47	may	may	MD
35613	163	48	have	have	VB
35613	163	49	_	_	NNP
35613	163	50	a	a	DT
35613	163	51	_	_	NNP
35613	163	52	8	8	CD
35613	163	53	_	_	NNP
35613	163	54	b	b	NNP
35613	163	55	_	_	NNP
35613	163	56	or	or	CC
35613	163	57	_	_	NNP
35613	163	58	a	a	DT
35613	163	59	_	_	NNP
35613	163	60	9	9	CD
35613	163	61	_	_	NNP
35613	163	62	b	b	NNP
35613	163	63	_	_	NNP
35613	163	64	.	.	.
35613	164	1	An	an	DT
35613	164	2	advantage	advantage	NN
35613	164	3	of	of	IN
35613	164	4	this	this	DT
35613	164	5	method	method	NN
35613	164	6	is	be	VBZ
35613	164	7	that	that	IN
35613	164	8	larger	large	JJR
35613	164	9	intervals	interval	NNS
35613	164	10	in	in	IN
35613	164	11	brightness	brightness	NN
35613	164	12	may	may	MD
35613	164	13	be	be	VB
35613	164	14	used	use	VBN
35613	164	15	between	between	IN
35613	164	16	the	the	DT
35613	164	17	comparison	comparison	NN
35613	164	18	stars	star	NNS
35613	164	19	,	,	,
35613	164	20	and	and	CC
35613	164	21	accordingly	accordingly	RB
35613	164	22	less	less	RBR
35613	164	23	distant	distant	JJ
35613	164	24	stars	star	NNS
35613	164	25	employed	employ	VBN
35613	164	26	.	.	.
35613	165	1	An	an	DT
35613	165	2	increase	increase	NN
35613	165	3	in	in	IN
35613	165	4	distance	distance	NN
35613	165	5	of	of	IN
35613	165	6	the	the	DT
35613	165	7	stars	star	NNS
35613	165	8	always	always	RB
35613	165	9	renders	render	VBZ
35613	165	10	the	the	DT
35613	165	11	comparison	comparison	NN
35613	165	12	more	more	RBR
35613	165	13	difficult	difficult	JJ
35613	165	14	.	.	.
35613	166	1	We	-PRON-	PRP
35613	166	2	can	can	MD
35613	166	3	also	also	RB
35613	166	4	obtain	obtain	VB
35613	166	5	many	many	JJ
35613	166	6	independent	independent	JJ
35613	166	7	comparisons	comparison	NNS
35613	166	8	by	by	IN
35613	166	9	using	use	VBG
35613	166	10	several	several	JJ
35613	166	11	comparison	comparison	NN
35613	166	12	stars	star	NNS
35613	166	13	.	.	.
35613	167	1	If	if	IN
35613	167	2	we	-PRON-	PRP
35613	167	3	have	have	VBP
35613	167	4	_	_	NNP
35613	167	5	m	m	NNP
35613	167	6	_	_	NNP
35613	167	7	stars	star	VBZ
35613	167	8	brighter	brighter	RBR
35613	167	9	and	and	CC
35613	167	10	_	_	NNP
35613	167	11	n	n	CC
35613	167	12	_	_	NNP
35613	167	13	fainter	fainter	NN
35613	167	14	,	,	,
35613	167	15	we	-PRON-	PRP
35613	167	16	shall	shall	MD
35613	167	17	only	only	RB
35613	167	18	have	have	VB
35613	167	19	_	_	NNP
35613	167	20	m	m	NNP
35613	167	21	_	_	NNP
35613	167	22	+	+	CC
35613	167	23	_	_	NNP
35613	167	24	n	n	CC
35613	167	25	_	_	NNP
35613	167	26	independent	independent	JJ
35613	167	27	measures	measure	NNS
35613	167	28	by	by	IN
35613	167	29	the	the	DT
35613	167	30	method	method	NN
35613	167	31	of	of	IN
35613	167	32	grades	grade	NNS
35613	167	33	,	,	,
35613	167	34	while	while	IN
35613	167	35	we	-PRON-	PRP
35613	167	36	may	may	MD
35613	167	37	have	have	VB
35613	167	38	_	_	NNP
35613	167	39	m	m	NNP
35613	167	40	n	n	CC
35613	167	41	_	_	NNP
35613	167	42	comparisons	comparison	NNS
35613	167	43	by	by	IN
35613	167	44	estimating	estimate	VBG
35613	167	45	tenths	tenth	NNS
35613	167	46	,	,	,
35613	167	47	since	since	IN
35613	167	48	estimates	estimate	NNS
35613	167	49	may	may	MD
35613	167	50	be	be	VB
35613	167	51	made	make	VBN
35613	167	52	in	in	IN
35613	167	53	terms	term	NNS
35613	167	54	of	of	IN
35613	167	55	the	the	DT
35613	167	56	intervals	interval	NNS
35613	167	57	between	between	IN
35613	167	58	each	each	DT
35613	167	59	brighter	bright	JJR
35613	167	60	and	and	CC
35613	167	61	each	each	DT
35613	167	62	fainter	fainter	NN
35613	167	63	star	star	NN
35613	167	64	.	.	.
35613	168	1	On	on	IN
35613	168	2	the	the	DT
35613	168	3	other	other	JJ
35613	168	4	hand	hand	NN
35613	168	5	,	,	,
35613	168	6	especially	especially	RB
35613	168	7	when	when	WRB
35613	168	8	observing	observe	VBG
35613	168	9	stars	star	NNS
35613	168	10	not	not	RB
35613	168	11	very	very	RB
35613	168	12	near	near	RB
35613	168	13	together	together	RB
35613	168	14	,	,	,
35613	168	15	it	-PRON-	PRP
35613	168	16	is	be	VBZ
35613	168	17	a	a	DT
35613	168	18	decided	decided	JJ
35613	168	19	advantage	advantage	NN
35613	168	20	to	to	TO
35613	168	21	have	have	VB
35613	168	22	to	to	TO
35613	168	23	compare	compare	VB
35613	168	24	two	two	CD
35613	168	25	stars	star	NNS
35613	168	26	rather	rather	RB
35613	168	27	than	than	IN
35613	168	28	three	three	CD
35613	168	29	.	.	.
35613	169	1	Each	each	DT
35613	169	2	method	method	NN
35613	169	3	has	have	VBZ
35613	169	4	its	-PRON-	PRP$
35613	169	5	advantages	advantage	NNS
35613	169	6	,	,	,
35613	169	7	and	and	CC
35613	169	8	that	that	DT
35613	169	9	to	to	TO
35613	169	10	be	be	VB
35613	169	11	used	use	VBN
35613	169	12	should	should	MD
35613	169	13	doubtless	doubtless	RB
35613	169	14	depend	depend	VB
35613	169	15	on	on	IN
35613	169	16	the	the	DT
35613	169	17	temperament	temperament	NN
35613	169	18	of	of	IN
35613	169	19	the	the	DT
35613	169	20	observer	observer	NN
35613	169	21	.	.	.
35613	170	1	Several	several	JJ
35613	170	2	precautions	precaution	NNS
35613	170	3	are	be	VBP
35613	170	4	needed	need	VBN
35613	170	5	to	to	TO
35613	170	6	secure	secure	VB
35613	170	7	the	the	DT
35613	170	8	best	good	JJS
35613	170	9	results	result	NNS
35613	170	10	.	.	.
35613	171	1	No	no	DT
35613	171	2	observations	observation	NNS
35613	171	3	should	should	MD
35613	171	4	be	be	VB
35613	171	5	made	make	VBN
35613	171	6	near	near	IN
35613	171	7	the	the	DT
35613	171	8	horizon	horizon	NN
35613	171	9	;	;	:
35613	171	10	and	and	CC
35613	171	11	,	,	,
35613	171	12	when	when	WRB
35613	171	13	the	the	DT
35613	171	14	objects	object	NNS
35613	171	15	examined	examine	VBN
35613	171	16	are	be	VBP
35613	171	17	at	at	IN
35613	171	18	any	any	DT
35613	171	19	considerable	considerable	JJ
35613	171	20	zenith	zenith	NN
35613	171	21	distance	distance	NN
35613	171	22	,	,	,
35613	171	23	stars	star	NNS
35613	171	24	differing	differ	VBG
35613	171	25	several	several	JJ
35613	171	26	degrees	degree	NNS
35613	171	27	in	in	IN
35613	171	28	altitude	altitude	NN
35613	171	29	should	should	MD
35613	171	30	be	be	VB
35613	171	31	avoided	avoid	VBN
35613	171	32	.	.	.
35613	172	1	If	if	IN
35613	172	2	the	the	DT
35613	172	3	stars	star	NNS
35613	172	4	are	be	VBP
35613	172	5	bright	bright	JJ
35613	172	6	and	and	CC
35613	172	7	there	there	EX
35613	172	8	is	be	VBZ
35613	172	9	no	no	DT
35613	172	10	choice	choice	NN
35613	172	11	,	,	,
35613	172	12	a	a	DT
35613	172	13	correction	correction	NN
35613	172	14	may	may	MD
35613	172	15	be	be	VB
35613	172	16	made	make	VBN
35613	172	17	for	for	IN
35613	172	18	the	the	DT
35613	172	19	error	error	NN
35613	172	20	due	due	IN
35613	172	21	to	to	IN
35613	172	22	the	the	DT
35613	172	23	varying	vary	VBG
35613	172	24	absorption	absorption	NN
35613	172	25	at	at	IN
35613	172	26	these	these	DT
35613	172	27	different	different	JJ
35613	172	28	altitudes	altitude	NNS
35613	172	29	if	if	IN
35613	172	30	the	the	DT
35613	172	31	time	time	NN
35613	172	32	of	of	IN
35613	172	33	observation	observation	NN
35613	172	34	has	have	VBZ
35613	172	35	been	be	VBN
35613	172	36	noted	note	VBN
35613	172	37	.	.	.
35613	173	1	When	when	WRB
35613	173	2	using	use	VBG
35613	173	3	a	a	DT
35613	173	4	telescope	telescope	NN
35613	173	5	or	or	CC
35613	173	6	opera	opera	NN
35613	173	7	-	-	HYPH
35613	173	8	glass	glass	NNP
35613	173	9	,	,	,
35613	173	10	the	the	DT
35613	173	11	stars	star	NNS
35613	173	12	should	should	MD
35613	173	13	be	be	VB
35613	173	14	brought	bring	VBN
35613	173	15	in	in	IN
35613	173	16	turn	turn	NN
35613	173	17	to	to	IN
35613	173	18	the	the	DT
35613	173	19	centre	centre	NN
35613	173	20	of	of	IN
35613	173	21	the	the	DT
35613	173	22	field	field	NN
35613	173	23	,	,	,
35613	173	24	as	as	IN
35613	173	25	when	when	WRB
35613	173	26	near	near	IN
35613	173	27	the	the	DT
35613	173	28	edge	edge	NN
35613	173	29	they	-PRON-	PRP
35613	173	30	will	will	MD
35613	173	31	not	not	RB
35613	173	32	appear	appear	VB
35613	173	33	of	of	IN
35613	173	34	their	-PRON-	PRP$
35613	173	35	true	true	JJ
35613	173	36	brightness	brightness	NN
35613	173	37	.	.	.
35613	174	1	This	this	DT
35613	174	2	is	be	VBZ
35613	174	3	found	find	VBN
35613	174	4	to	to	TO
35613	174	5	be	be	VB
35613	174	6	better	well	JJR
35613	174	7	than	than	IN
35613	174	8	placing	place	VBG
35613	174	9	them	-PRON-	PRP
35613	174	10	at	at	IN
35613	174	11	equal	equal	JJ
35613	174	12	distances	distance	NNS
35613	174	13	from	from	IN
35613	174	14	the	the	DT
35613	174	15	centre	centre	NN
35613	174	16	.	.	.
35613	175	1	In	in	IN
35613	175	2	selecting	select	VBG
35613	175	3	comparison	comparison	NN
35613	175	4	stars	star	NNS
35613	175	5	,	,	,
35613	175	6	the	the	DT
35613	175	7	proximity	proximity	NN
35613	175	8	of	of	IN
35613	175	9	a	a	DT
35613	175	10	brighter	bright	JJR
35613	175	11	star	star	NN
35613	175	12	is	be	VBZ
35613	175	13	very	very	RB
35613	175	14	objectionable	objectionable	JJ
35613	175	15	,	,	,
35613	175	16	causing	cause	VBG
35613	175	17	a	a	DT
35613	175	18	large	large	JJ
35613	175	19	error	error	NN
35613	175	20	,	,	,
35613	175	21	which	which	WDT
35613	175	22	varies	vary	VBZ
35613	175	23	with	with	IN
35613	175	24	the	the	DT
35613	175	25	magnifying	magnify	VBG
35613	175	26	power	power	NN
35613	175	27	used	use	VBD
35613	175	28	.	.	.
35613	176	1	Double	double	JJ
35613	176	2	stars	star	NNS
35613	176	3	should	should	MD
35613	176	4	be	be	VB
35613	176	5	avoided	avoid	VBN
35613	176	6	if	if	IN
35613	176	7	the	the	DT
35613	176	8	power	power	NN
35613	176	9	used	use	VBN
35613	176	10	is	be	VBZ
35613	176	11	sufficient	sufficient	JJ
35613	176	12	to	to	TO
35613	176	13	show	show	VB
35613	176	14	the	the	DT
35613	176	15	companion	companion	NN
35613	176	16	.	.	.
35613	177	1	Comparing	compare	VBG
35613	177	2	stars	star	NNS
35613	177	3	of	of	IN
35613	177	4	different	different	JJ
35613	177	5	colors	color	NNS
35613	177	6	is	be	VBZ
35613	177	7	also	also	RB
35613	177	8	objectionable	objectionable	JJ
35613	177	9	.	.	.
35613	178	1	Any	any	DT
35613	178	2	persons	person	NNS
35613	178	3	who	who	WP
35613	178	4	desire	desire	VBP
35613	178	5	to	to	TO
35613	178	6	take	take	VB
35613	178	7	part	part	NN
35613	178	8	in	in	IN
35613	178	9	these	these	DT
35613	178	10	observations	observation	NNS
35613	178	11	are	be	VBP
35613	178	12	requested	request	VBN
35613	178	13	to	to	TO
35613	178	14	communicate	communicate	VB
35613	178	15	with	with	IN
35613	178	16	the	the	DT
35613	178	17	writer	writer	NN
35613	178	18	,	,	,
35613	178	19	and	and	CC
35613	178	20	send	send	VB
35613	178	21	answers	answer	NNS
35613	178	22	to	to	IN
35613	178	23	the	the	DT
35613	178	24	questions	question	NNS
35613	178	25	given	give	VBN
35613	178	26	below	below	RP
35613	178	27	.	.	.
35613	179	1	1	1	LS
35613	179	2	.	.	.
35613	180	1	What	what	WP
35613	180	2	is	be	VBZ
35613	180	3	the	the	DT
35613	180	4	location	location	NN
35613	180	5	of	of	IN
35613	180	6	your	-PRON-	PRP$
35613	180	7	point	point	NN
35613	180	8	of	of	IN
35613	180	9	observation	observation	NN
35613	180	10	?	?	.
35613	181	1	In	in	IN
35613	181	2	the	the	DT
35613	181	3	city	city	NN
35613	181	4	or	or	CC
35613	181	5	in	in	IN
35613	181	6	the	the	DT
35613	181	7	country	country	NN
35613	181	8	,	,	,
35613	181	9	on	on	IN
35613	181	10	the	the	DT
35613	181	11	ground	ground	NN
35613	181	12	,	,	,
35613	181	13	from	from	IN
35613	181	14	a	a	DT
35613	181	15	roof	roof	NN
35613	181	16	,	,	,
35613	181	17	or	or	CC
35613	181	18	from	from	IN
35613	181	19	a	a	DT
35613	181	20	window	window	NN
35613	181	21	?	?	.
35613	182	1	Is	be	VBZ
35613	182	2	any	any	DT
35613	182	3	part	part	NN
35613	182	4	of	of	IN
35613	182	5	your	-PRON-	PRP$
35613	182	6	horizon	horizon	NN
35613	182	7	obstructed	obstruct	VBN
35613	182	8	,	,	,
35613	182	9	or	or	CC
35613	182	10	can	can	MD
35613	182	11	you	-PRON-	PRP
35613	182	12	observe	observe	VB
35613	182	13	in	in	IN
35613	182	14	all	all	DT
35613	182	15	parts	part	NNS
35613	182	16	of	of	IN
35613	182	17	the	the	DT
35613	182	18	sky	sky	NN
35613	182	19	?	?	.
35613	183	1	2	2	LS
35613	183	2	.	.	.
35613	184	1	What	what	WP
35613	184	2	is	be	VBZ
35613	184	3	the	the	DT
35613	184	4	aperture	aperture	JJ
35613	184	5	,	,	,
35613	184	6	focal	focal	JJ
35613	184	7	length	length	NN
35613	184	8	,	,	,
35613	184	9	and	and	CC
35613	184	10	name	name	NN
35613	184	11	of	of	IN
35613	184	12	maker	maker	NN
35613	184	13	of	of	IN
35613	184	14	your	-PRON-	PRP$
35613	184	15	telescope	telescope	NN
35613	184	16	?	?	.
35613	185	1	also	also	RB
35613	185	2	the	the	DT
35613	185	3	lowest	low	JJS
35613	185	4	magnifying	magnify	VBG
35613	185	5	power	power	NN
35613	185	6	and	and	CC
35613	185	7	largest	large	JJS
35613	185	8	field	field	NN
35613	185	9	of	of	IN
35613	185	10	view	view	NN
35613	185	11	you	-PRON-	PRP
35613	185	12	can	can	MD
35613	185	13	obtain	obtain	VB
35613	185	14	with	with	IN
35613	185	15	it	-PRON-	PRP
35613	185	16	?	?	.
35613	186	1	Have	have	VBP
35613	186	2	you	-PRON-	PRP
35613	186	3	a	a	DT
35613	186	4	field	field	NN
35613	186	5	-	-	HYPH
35613	186	6	glass	glass	NN
35613	186	7	or	or	CC
35613	186	8	opera	opera	NN
35613	186	9	-	-	HYPH
35613	186	10	glass	glass	NN
35613	186	11	?	?	.
35613	187	1	3	3	LS
35613	187	2	.	.	.
35613	188	1	Can	Can	MD
35613	188	2	you	-PRON-	PRP
35613	188	3	identify	identify	VB
35613	188	4	bright	bright	JJ
35613	188	5	and	and	CC
35613	188	6	faint	faint	JJ
35613	188	7	stars	star	NNS
35613	188	8	from	from	IN
35613	188	9	their	-PRON-	PRP$
35613	188	10	designations	designation	NNS
35613	188	11	or	or	CC
35613	188	12	right	right	JJ
35613	188	13	ascensions	ascension	NNS
35613	188	14	and	and	CC
35613	188	15	declinations	declination	NNS
35613	188	16	?	?	.
35613	189	1	Have	have	VBP
35613	189	2	you	-PRON-	PRP
35613	189	3	Heis	Heis	NNP
35613	189	4	'	'	''
35613	189	5	Atlas	Atlas	NNP
35613	189	6	Coelestis	Coelestis	NNP
35613	189	7	Novus	Novus	NNP
35613	189	8	,	,	,
35613	189	9	the	the	DT
35613	189	10	Uranometria	Uranometria	NNP
35613	189	11	Argentina	Argentina	NNP
35613	189	12	,	,	,
35613	189	13	the	the	DT
35613	189	14	Durchmusterung	Durchmusterung	NNP
35613	189	15	,	,	,
35613	189	16	or	or	CC
35613	189	17	other	other	JJ
35613	189	18	maps	map	NNS
35613	189	19	and	and	CC
35613	189	20	catalogues	catalogue	NNS
35613	189	21	of	of	IN
35613	189	22	the	the	DT
35613	189	23	stars	star	NNS
35613	189	24	?	?	.
35613	190	1	4	4	LS
35613	190	2	.	.	.
35613	191	1	Would	Would	MD
35613	191	2	you	-PRON-	PRP
35613	191	3	prefer	prefer	VB
35613	191	4	to	to	TO
35613	191	5	observe	observe	VB
35613	191	6	the	the	DT
35613	191	7	known	know	VBN
35613	191	8	or	or	CC
35613	191	9	the	the	DT
35613	191	10	suspected	suspect	VBN
35613	191	11	variables	variable	NNS
35613	191	12	,	,	,
35613	191	13	or	or	CC
35613	191	14	to	to	TO
35613	191	15	divide	divide	VB
35613	191	16	your	-PRON-	PRP$
35613	191	17	time	time	NN
35613	191	18	between	between	IN
35613	191	19	them	-PRON-	PRP
35613	191	20	?	?	.
35613	192	1	For	for	IN
35613	192	2	convenience	convenience	NN
35613	192	3	in	in	IN
35613	192	4	making	make	VBG
35613	192	5	the	the	DT
35613	192	6	reductions	reduction	NNS
35613	192	7	and	and	CC
35613	192	8	for	for	IN
35613	192	9	future	future	JJ
35613	192	10	reference	reference	NN
35613	192	11	,	,	,
35613	192	12	it	-PRON-	PRP
35613	192	13	is	be	VBZ
35613	192	14	essential	essential	JJ
35613	192	15	that	that	IN
35613	192	16	all	all	PDT
35613	192	17	the	the	DT
35613	192	18	observations	observation	NNS
35613	192	19	should	should	MD
35613	192	20	be	be	VB
35613	192	21	made	make	VBN
35613	192	22	according	accord	VBG
35613	192	23	to	to	IN
35613	192	24	the	the	DT
35613	192	25	same	same	JJ
35613	192	26	system	system	NN
35613	192	27	.	.	.
35613	193	1	Observers	observer	NNS
35613	193	2	are	be	VBP
35613	193	3	accordingly	accordingly	RB
35613	193	4	requested	request	VBN
35613	193	5	to	to	TO
35613	193	6	adopt	adopt	VB
35613	193	7	the	the	DT
35613	193	8	following	follow	VBG
35613	193	9	form	form	NN
35613	193	10	.	.	.
35613	194	1	Use	use	VB
35613	194	2	half	half	JJ
35613	194	3	-	-	HYPH
35613	194	4	sheets	sheet	NNS
35613	194	5	of	of	IN
35613	194	6	letter	letter	NN
35613	194	7	paper	paper	NN
35613	194	8	(	(	-LRB-
35613	194	9	eight	eight	CD
35613	194	10	inches	inch	NNS
35613	194	11	by	by	IN
35613	194	12	ten	ten	CD
35613	194	13	)	)	-RRB-
35613	194	14	,	,	,
35613	194	15	writing	write	VBG
35613	194	16	only	only	RB
35613	194	17	on	on	IN
35613	194	18	one	one	CD
35613	194	19	side	side	NN
35613	194	20	and	and	CC
35613	194	21	leaving	leave	VBG
35613	194	22	a	a	DT
35613	194	23	margin	margin	NN
35613	194	24	of	of	IN
35613	194	25	half	half	PDT
35613	194	26	an	an	DT
35613	194	27	inch	inch	NN
35613	194	28	for	for	IN
35613	194	29	binding	bind	VBG
35613	194	30	.	.	.
35613	195	1	Begin	begin	VB
35613	195	2	with	with	IN
35613	195	3	a	a	DT
35613	195	4	new	new	JJ
35613	195	5	sheet	sheet	NN
35613	195	6	every	every	DT
35613	195	7	evening	evening	NN
35613	195	8	,	,	,
35613	195	9	and	and	CC
35613	195	10	write	write	VB
35613	195	11	the	the	DT
35613	195	12	date	date	NN
35613	195	13	and	and	CC
35613	195	14	location	location	NN
35613	195	15	(	(	-LRB-
35613	195	16	township	township	NN
35613	195	17	and	and	CC
35613	195	18	state	state	NN
35613	195	19	)	)	-RRB-
35613	195	20	on	on	IN
35613	195	21	the	the	DT
35613	195	22	first	first	JJ
35613	195	23	line	line	NN
35613	195	24	.	.	.
35613	196	1	Each	each	DT
35613	196	2	sheet	sheet	NN
35613	196	3	when	when	WRB
35613	196	4	completed	complete	VBN
35613	196	5	should	should	MD
35613	196	6	be	be	VB
35613	196	7	signed	sign	VBN
35613	196	8	,	,	,
35613	196	9	and	and	CC
35613	196	10	all	all	DT
35613	196	11	should	should	MD
35613	196	12	be	be	VB
35613	196	13	numbered	number	VBN
35613	196	14	consecutively	consecutively	RB
35613	196	15	.	.	.
35613	197	1	When	when	WRB
35613	197	2	several	several	JJ
35613	197	3	sheets	sheet	NNS
35613	197	4	are	be	VBP
35613	197	5	used	use	VBN
35613	197	6	on	on	IN
35613	197	7	the	the	DT
35613	197	8	same	same	JJ
35613	197	9	night	night	NN
35613	197	10	,	,	,
35613	197	11	the	the	DT
35613	197	12	date	date	NN
35613	197	13	should	should	MD
35613	197	14	be	be	VB
35613	197	15	entered	enter	VBN
35613	197	16	on	on	IN
35613	197	17	each	each	DT
35613	197	18	.	.	.
35613	198	1	The	the	DT
35613	198	2	record	record	NN
35613	198	3	should	should	MD
35613	198	4	be	be	VB
35613	198	5	made	make	VBN
35613	198	6	in	in	IN
35613	198	7	pencil	pencil	NN
35613	198	8	,	,	,
35613	198	9	and	and	CC
35613	198	10	all	all	DT
35613	198	11	subsequent	subsequent	JJ
35613	198	12	remarks	remark	NNS
35613	198	13	or	or	CC
35613	198	14	corrections	correction	NNS
35613	198	15	added	add	VBD
35613	198	16	or	or	CC
35613	198	17	interlined	interline	VBN
35613	198	18	with	with	IN
35613	198	19	ink	ink	NN
35613	198	20	,	,	,
35613	198	21	taking	take	VBG
35613	198	22	especial	especial	JJ
35613	198	23	care	care	NN
35613	198	24	not	not	RB
35613	198	25	to	to	TO
35613	198	26	obliterate	obliterate	VB
35613	198	27	or	or	CC
35613	198	28	render	render	VB
35613	198	29	illegible	illegible	JJ
35613	198	30	the	the	DT
35613	198	31	original	original	JJ
35613	198	32	record	record	NN
35613	198	33	.	.	.
35613	199	1	A	a	DT
35613	199	2	general	general	JJ
35613	199	3	statement	statement	NN
35613	199	4	should	should	MD
35613	199	5	be	be	VB
35613	199	6	made	make	VBN
35613	199	7	each	each	DT
35613	199	8	evening	evening	NN
35613	199	9	of	of	IN
35613	199	10	the	the	DT
35613	199	11	condition	condition	NN
35613	199	12	of	of	IN
35613	199	13	the	the	DT
35613	199	14	sky	sky	NN
35613	199	15	,	,	,
35613	199	16	as	as	IN
35613	199	17	"	"	``
35613	199	18	clear	clear	JJ
35613	199	19	,	,	,
35613	199	20	"	"	''
35613	199	21	"	"	``
35613	199	22	hazy	hazy	NNS
35613	199	23	,	,	,
35613	199	24	"	"	''
35613	199	25	"	"	``
35613	199	26	passing	pass	VBG
35613	199	27	clouds	cloud	NNS
35613	199	28	,	,	,
35613	199	29	"	"	''
35613	199	30	etc	etc	FW
35613	199	31	.	.	.
35613	200	1	The	the	DT
35613	200	2	time	time	NN
35613	200	3	of	of	IN
35613	200	4	beginning	beginning	NN
35613	200	5	and	and	CC
35613	200	6	ending	end	VBG
35613	200	7	work	work	NN
35613	200	8	should	should	MD
35613	200	9	also	also	RB
35613	200	10	be	be	VB
35613	200	11	noted	note	VBN
35613	200	12	.	.	.
35613	201	1	One	one	CD
35613	201	2	line	line	NN
35613	201	3	should	should	MD
35613	201	4	be	be	VB
35613	201	5	assigned	assign	VBN
35613	201	6	to	to	IN
35613	201	7	each	each	DT
35613	201	8	comparison	comparison	NN
35613	201	9	.	.	.
35613	202	1	The	the	DT
35613	202	2	hour	hour	NN
35613	202	3	and	and	CC
35613	202	4	minute	minute	NN
35613	202	5	should	should	MD
35613	202	6	be	be	VB
35613	202	7	written	write	VBN
35613	202	8	to	to	IN
35613	202	9	the	the	DT
35613	202	10	left	left	NN
35613	202	11	,	,	,
35613	202	12	and	and	CC
35613	202	13	the	the	DT
35613	202	14	comparison	comparison	NN
35613	202	15	next	next	JJ
35613	202	16	to	to	IN
35613	202	17	it	-PRON-	PRP
35613	202	18	.	.	.
35613	203	1	The	the	DT
35613	203	2	right	right	JJ
35613	203	3	-	-	HYPH
35613	203	4	hand	hand	NN
35613	203	5	half	half	NN
35613	203	6	of	of	IN
35613	203	7	the	the	DT
35613	203	8	line	line	NN
35613	203	9	will	will	MD
35613	203	10	be	be	VB
35613	203	11	left	leave	VBN
35613	203	12	blank	blank	JJ
35613	203	13	for	for	IN
35613	203	14	reducing	reduce	VBG
35613	203	15	the	the	DT
35613	203	16	observation	observation	NN
35613	203	17	.	.	.
35613	204	1	Certain	certain	JJ
35613	204	2	evenings	evening	NNS
35613	204	3	or	or	CC
35613	204	4	portions	portion	NNS
35613	204	5	of	of	IN
35613	204	6	evenings	evening	NNS
35613	204	7	must	must	MD
35613	204	8	also	also	RB
35613	204	9	be	be	VB
35613	204	10	devoted	devoted	JJ
35613	204	11	to	to	IN
35613	204	12	the	the	DT
35613	204	13	selection	selection	NN
35613	204	14	of	of	IN
35613	204	15	the	the	DT
35613	204	16	comparison	comparison	NN
35613	204	17	stars	star	NNS
35613	204	18	of	of	IN
35613	204	19	suspected	suspect	VBN
35613	204	20	variables	variable	NNS
35613	204	21	.	.	.
35613	205	1	If	if	IN
35613	205	2	they	-PRON-	PRP
35613	205	3	are	be	VBP
35613	205	4	contained	contain	VBN
35613	205	5	in	in	IN
35613	205	6	maps	map	NNS
35613	205	7	which	which	WDT
35613	205	8	are	be	VBP
35613	205	9	available	available	JJ
35613	205	10	,	,	,
35613	205	11	the	the	DT
35613	205	12	letters	letter	NNS
35613	205	13	assigned	assign	VBN
35613	205	14	to	to	IN
35613	205	15	each	each	DT
35613	205	16	star	star	NN
35613	205	17	may	may	MD
35613	205	18	be	be	VB
35613	205	19	marked	mark	VBN
35613	205	20	on	on	IN
35613	205	21	the	the	DT
35613	205	22	maps	map	NNS
35613	205	23	and	and	CC
35613	205	24	lines	line	NNS
35613	205	25	drawn	draw	VBN
35613	205	26	to	to	TO
35613	205	27	show	show	VB
35613	205	28	with	with	IN
35613	205	29	what	what	WP
35613	205	30	suspected	suspect	VBN
35613	205	31	variable	variable	JJ
35613	205	32	star	star	NN
35613	205	33	they	-PRON-	PRP
35613	205	34	are	be	VBP
35613	205	35	associated	associate	VBN
35613	205	36	.	.	.
35613	206	1	If	if	IN
35613	206	2	preferred	prefer	VBN
35613	206	3	,	,	,
35613	206	4	a	a	DT
35613	206	5	sketch	sketch	NN
35613	206	6	may	may	MD
35613	206	7	be	be	VB
35613	206	8	made	make	VBN
35613	206	9	of	of	IN
35613	206	10	the	the	DT
35613	206	11	neighboring	neighboring	JJ
35613	206	12	stars	star	NNS
35613	206	13	and	and	CC
35613	206	14	the	the	DT
35613	206	15	letters	letter	NNS
35613	206	16	entered	enter	VBD
35613	206	17	on	on	IN
35613	206	18	them	-PRON-	PRP
35613	206	19	.	.	.
35613	207	1	This	this	DT
35613	207	2	sketch	sketch	NN
35613	207	3	with	with	IN
35613	207	4	a	a	DT
35613	207	5	proper	proper	JJ
35613	207	6	description	description	NN
35613	207	7	should	should	MD
35613	207	8	be	be	VB
35613	207	9	entered	enter	VBN
35613	207	10	on	on	IN
35613	207	11	the	the	DT
35613	207	12	observing	observe	VBG
35613	207	13	sheets	sheet	NNS
35613	207	14	described	describe	VBN
35613	207	15	above	above	RB
35613	207	16	,	,	,
35613	207	17	and	and	CC
35613	207	18	a	a	DT
35613	207	19	copy	copy	NN
35613	207	20	should	should	MD
35613	207	21	be	be	VB
35613	207	22	retained	retain	VBN
35613	207	23	for	for	IN
35613	207	24	reference	reference	NN
35613	207	25	.	.	.
35613	208	1	Every	every	DT
35613	208	2	month	month	NN
35613	208	3	the	the	DT
35613	208	4	observations	observation	NNS
35613	208	5	will	will	MD
35613	208	6	be	be	VB
35613	208	7	interrupted	interrupt	VBN
35613	208	8	by	by	IN
35613	208	9	moonlight	moonlight	NN
35613	208	10	,	,	,
35613	208	11	and	and	CC
35613	208	12	accordingly	accordingly	RB
35613	208	13	,	,	,
35613	208	14	three	three	CD
35613	208	15	or	or	CC
35613	208	16	four	four	CD
35613	208	17	days	day	NNS
35613	208	18	before	before	IN
35613	208	19	the	the	DT
35613	208	20	full	full	JJ
35613	208	21	moon	moon	NN
35613	208	22	,	,	,
35613	208	23	all	all	PDT
35613	208	24	the	the	DT
35613	208	25	sheets	sheet	NNS
35613	208	26	that	that	WDT
35613	208	27	have	have	VBP
35613	208	28	accumulated	accumulate	VBN
35613	208	29	should	should	MD
35613	208	30	be	be	VB
35613	208	31	mailed	mail	VBN
35613	208	32	,	,	,
35613	208	33	addressed	address	VBD
35613	208	34	Harvard	Harvard	NNP
35613	208	35	College	College	NNP
35613	208	36	Observatory	Observatory	NNP
35613	208	37	,	,	,
35613	208	38	Cambridge	Cambridge	NNP
35613	208	39	,	,	,
35613	208	40	Mass.	Massachusetts	NNP
35613	209	1	An	an	DT
35613	209	2	acknowledgment	acknowledgment	NN
35613	209	3	will	will	MD
35613	209	4	be	be	VB
35613	209	5	sent	send	VBN
35613	209	6	at	at	IN
35613	209	7	once	once	RB
35613	209	8	,	,	,
35613	209	9	so	so	IN
35613	209	10	that	that	IN
35613	209	11	if	if	IN
35613	209	12	this	this	DT
35613	209	13	is	be	VBZ
35613	209	14	not	not	RB
35613	209	15	received	receive	VBN
35613	209	16	a	a	DT
35613	209	17	second	second	JJ
35613	209	18	notification	notification	NN
35613	209	19	should	should	MD
35613	209	20	be	be	VB
35613	209	21	sent	send	VBN
35613	209	22	.	.	.
35613	210	1	To	to	TO
35613	210	2	attain	attain	VB
35613	210	3	success	success	NN
35613	210	4	it	-PRON-	PRP
35613	210	5	is	be	VBZ
35613	210	6	particularly	particularly	RB
35613	210	7	important	important	JJ
35613	210	8	that	that	IN
35613	210	9	the	the	DT
35613	210	10	plan	plan	NN
35613	210	11	should	should	MD
35613	210	12	not	not	RB
35613	210	13	be	be	VB
35613	210	14	local	local	JJ
35613	210	15	or	or	CC
35613	210	16	national	national	JJ
35613	210	17	.	.	.
35613	211	1	Observers	observer	NNS
35613	211	2	in	in	IN
35613	211	3	the	the	DT
35613	211	4	southern	southern	JJ
35613	211	5	hemisphere	hemisphere	NN
35613	211	6	are	be	VBP
35613	211	7	much	much	RB
35613	211	8	needed	need	VBN
35613	211	9	,	,	,
35613	211	10	and	and	CC
35613	211	11	for	for	IN
35613	211	12	some	some	DT
35613	211	13	purposes	purpose	NNS
35613	211	14	those	those	DT
35613	211	15	in	in	IN
35613	211	16	various	various	JJ
35613	211	17	longitudes	longitude	NNS
35613	211	18	.	.	.
35613	212	1	It	-PRON-	PRP
35613	212	2	is	be	VBZ
35613	212	3	hoped	hope	VBN
35613	212	4	that	that	IN
35613	212	5	among	among	IN
35613	212	6	the	the	DT
35613	212	7	many	many	JJ
35613	212	8	amateurs	amateur	NNS
35613	212	9	of	of	IN
35613	212	10	Europe	Europe	NNP
35613	212	11	,	,	,
35613	212	12	and	and	CC
35613	212	13	especially	especially	RB
35613	212	14	of	of	IN
35613	212	15	England	England	NNP
35613	212	16	,	,	,
35613	212	17	may	may	MD
35613	212	18	be	be	VB
35613	212	19	found	find	VBN
35613	212	20	some	some	DT
35613	212	21	ready	ready	JJ
35613	212	22	to	to	TO
35613	212	23	participate	participate	VB
35613	212	24	in	in	IN
35613	212	25	this	this	DT
35613	212	26	work	work	NN
35613	212	27	.	.	.
35613	213	1	No	no	DT
35613	213	2	restriction	restriction	NN
35613	213	3	regarding	regard	VBG
35613	213	4	the	the	DT
35613	213	5	observations	observation	NNS
35613	213	6	or	or	CC
35613	213	7	publication	publication	NN
35613	213	8	is	be	VBZ
35613	213	9	intended	intend	VBN
35613	213	10	;	;	:
35613	213	11	but	but	CC
35613	213	12	it	-PRON-	PRP
35613	213	13	is	be	VBZ
35613	213	14	hoped	hope	VBN
35613	213	15	that	that	IN
35613	213	16	a	a	DT
35613	213	17	large	large	JJ
35613	213	18	addition	addition	NN
35613	213	19	to	to	IN
35613	213	20	our	-PRON-	PRP$
35613	213	21	present	present	JJ
35613	213	22	knowledge	knowledge	NN
35613	213	23	of	of	IN
35613	213	24	the	the	DT
35613	213	25	variable	variable	JJ
35613	213	26	stars	star	NNS
35613	213	27	may	may	MD
35613	213	28	be	be	VB
35613	213	29	secured	secure	VBN
35613	213	30	,	,	,
35613	213	31	without	without	IN
35613	213	32	interfering	interfere	VBG
35613	213	33	with	with	IN
35613	213	34	what	what	WP
35613	213	35	would	would	MD
35613	213	36	otherwise	otherwise	RB
35613	213	37	be	be	VB
35613	213	38	obtained	obtain	VBN
35613	213	39	.	.	.
35613	214	1	Copies	copy	NNS
35613	214	2	of	of	IN
35613	214	3	this	this	DT
35613	214	4	pamphlet	pamphlet	NN
35613	214	5	and	and	CC
35613	214	6	further	further	JJ
35613	214	7	information	information	NN
35613	214	8	will	will	MD
35613	214	9	be	be	VB
35613	214	10	furnished	furnish	VBN
35613	214	11	on	on	IN
35613	214	12	application	application	NN
35613	214	13	.	.	.
35613	215	1	Any	any	DT
35613	215	2	persons	person	NNS
35613	215	3	desiring	desire	VBG
35613	215	4	to	to	TO
35613	215	5	participate	participate	VB
35613	215	6	are	be	VBP
35613	215	7	requested	request	VBN
35613	215	8	to	to	TO
35613	215	9	address	address	VB
35613	215	10	the	the	DT
35613	215	11	writer	writer	NN
35613	215	12	,	,	,
35613	215	13	sending	send	VBG
35613	215	14	answers	answer	NNS
35613	215	15	to	to	IN
35613	215	16	the	the	DT
35613	215	17	questions	question	NNS
35613	215	18	given	give	VBN
35613	215	19	above	above	RB
35613	215	20	.	.	.
35613	216	1	The	the	DT
35613	216	2	details	detail	NNS
35613	216	3	will	will	MD
35613	216	4	differ	differ	VB
35613	216	5	with	with	IN
35613	216	6	each	each	DT
35613	216	7	observer	observer	NN
35613	216	8	,	,	,
35613	216	9	and	and	CC
35613	216	10	will	will	MD
35613	216	11	be	be	VB
35613	216	12	arranged	arrange	VBN
35613	216	13	by	by	IN
35613	216	14	correspondence	correspondence	NN
35613	216	15	.	.	.
35613	217	1	Apart	apart	RB
35613	217	2	from	from	IN
35613	217	3	the	the	DT
35613	217	4	value	value	NN
35613	217	5	of	of	IN
35613	217	6	the	the	DT
35613	217	7	results	result	NNS
35613	217	8	attained	attain	VBN
35613	217	9	,	,	,
35613	217	10	it	-PRON-	PRP
35613	217	11	is	be	VBZ
35613	217	12	believed	believe	VBN
35613	217	13	that	that	IN
35613	217	14	many	many	JJ
35613	217	15	amateurs	amateur	NNS
35613	217	16	will	will	MD
35613	217	17	find	find	VB
35613	217	18	it	-PRON-	PRP
35613	217	19	a	a	DT
35613	217	20	benefit	benefit	NN
35613	217	21	to	to	TO
35613	217	22	accustom	accustom	VB
35613	217	23	themselves	-PRON-	PRP
35613	217	24	to	to	IN
35613	217	25	work	work	VB
35613	217	26	in	in	IN
35613	217	27	a	a	DT
35613	217	28	systematic	systematic	JJ
35613	217	29	manner	manner	NN
35613	217	30	,	,	,
35613	217	31	and	and	CC
35613	217	32	that	that	IN
35613	217	33	they	-PRON-	PRP
35613	217	34	will	will	MD
35613	217	35	thus	thus	RB
35613	217	36	receive	receive	VB
35613	217	37	a	a	DT
35613	217	38	training	training	NN
35613	217	39	in	in	IN
35613	217	40	their	-PRON-	PRP$
35613	217	41	work	work	NN
35613	217	42	not	not	RB
35613	217	43	otherwise	otherwise	RB
35613	217	44	easily	easily	RB
35613	217	45	obtained	obtain	VBN
35613	217	46	outside	outside	RB
35613	217	47	of	of	IN
35613	217	48	a	a	DT
35613	217	49	large	large	JJ
35613	217	50	observatory	observatory	NN
35613	217	51	.	.	.
35613	218	1	The	the	DT
35613	218	2	lesson	lesson	NN
35613	218	3	should	should	MD
35613	218	4	be	be	VB
35613	218	5	taught	teach	VBN
35613	218	6	that	that	DT
35613	218	7	time	time	NN
35613	218	8	spent	spend	VBN
35613	218	9	at	at	IN
35613	218	10	a	a	DT
35613	218	11	telescope	telescope	NN
35613	218	12	is	be	VBZ
35613	218	13	nearly	nearly	RB
35613	218	14	wasted	waste	VBN
35613	218	15	,	,	,
35613	218	16	unless	unless	IN
35613	218	17	results	result	NNS
35613	218	18	are	be	VBP
35613	218	19	secured	secure	VBN
35613	218	20	worthy	worthy	JJ
35613	218	21	of	of	IN
35613	218	22	publication	publication	NN
35613	218	23	and	and	CC
35613	218	24	having	have	VBG
35613	218	25	a	a	DT
35613	218	26	permanent	permanent	JJ
35613	218	27	value	value	NN
35613	218	28	.	.	.
35613	219	1	Those	those	DT
35613	219	2	who	who	WP
35613	219	3	have	have	VBP
35613	219	4	once	once	RB
35613	219	5	accomplished	accomplish	VBN
35613	219	6	such	such	JJ
35613	219	7	work	work	NN
35613	219	8	are	be	VBP
35613	219	9	likely	likely	JJ
35613	219	10	in	in	IN
35613	219	11	the	the	DT
35613	219	12	future	future	NN
35613	219	13	to	to	TO
35613	219	14	appreciate	appreciate	VB
35613	219	15	its	-PRON-	PRP$
35613	219	16	value	value	NN
35613	219	17	,	,	,
35613	219	18	and	and	CC
35613	219	19	will	will	MD
35613	219	20	often	often	RB
35613	219	21	continue	continue	VB
35613	219	22	to	to	TO
35613	219	23	do	do	VB
35613	219	24	useful	useful	JJ
35613	219	25	work	work	NN
35613	219	26	in	in	IN
35613	219	27	some	some	DT
35613	219	28	other	other	JJ
35613	219	29	department	department	NN
35613	219	30	of	of	IN
35613	219	31	practical	practical	JJ
35613	219	32	astronomy	astronomy	NN
35613	219	33	,	,	,
35613	219	34	if	if	IN
35613	219	35	not	not	RB
35613	219	36	in	in	IN
35613	219	37	that	that	DT
35613	219	38	of	of	IN
35613	219	39	variable	variable	JJ
35613	219	40	stars	star	NNS
35613	219	41	.	.	.
35613	220	1	The	the	DT
35613	220	2	education	education	NN
35613	220	3	of	of	IN
35613	220	4	a	a	DT
35613	220	5	class	class	NN
35613	220	6	of	of	IN
35613	220	7	skilled	skilled	JJ
35613	220	8	observers	observer	NNS
35613	220	9	would	would	MD
35613	220	10	be	be	VB
35613	220	11	a	a	DT
35613	220	12	work	work	NN
35613	220	13	of	of	IN
35613	220	14	no	no	DT
35613	220	15	less	less	JJR
35613	220	16	value	value	NN
35613	220	17	than	than	IN
35613	220	18	the	the	DT
35613	220	19	results	result	NNS
35613	220	20	anticipated	anticipate	VBN
35613	220	21	from	from	IN
35613	220	22	the	the	DT
35613	220	23	observation	observation	NN
35613	220	24	of	of	IN
35613	220	25	the	the	DT
35613	220	26	variable	variable	JJ
35613	220	27	stars	star	NNS
35613	220	28	.	.	.
35613	221	1	EDWARD	EDWARD	NNP
35613	221	2	C.	C.	NNP
35613	221	3	PICKERING	PICKERING	NNP
35613	221	4	.	.	.
35613	222	1	HARVARD	HARVARD	NNP
35613	222	2	COLLEGE	COLLEGE	NNP
35613	222	3	OBSERVATORY	OBSERVATORY	NNP
35613	222	4	,	,	,
35613	222	5	Cambridge	Cambridge	NNP
35613	222	6	,	,	,
35613	222	7	Mass.	Massachusetts	NNP