id	sid	tid	token	lemma	pos
ap-1338	1	1	bzs	bzs	NOUN
ap-1338	1	2	>	>	X
ap-1338	1	3	gnuplot.ps	gnuplot.ps	PROPN
ap-1338	1	4	acta	acta	PROPN
ap-1338	1	5	polytechnica	polytechnica	PROPN
ap-1338	1	6	vol	vol	NOUN
ap-1338	1	7	.	.	PUNCT
ap-1338	2	1	51	51	NUM
ap-1338	2	2	no	no	NOUN
ap-1338	2	3	.	.	PUNCT
ap-1338	3	1	2/2011	2/2011	NUM
ap-1338	3	2	searching	search	VERB
ap-1338	3	3	for	for	ADP
ap-1338	3	4	space	space	NOUN
ap-1338	3	5	debris	debris	NOUN
ap-1338	3	6	elements	element	NOUN
ap-1338	3	7	with	with	ADP
ap-1338	3	8	the	the	DET
ap-1338	3	9	“	"	PUNCT
ap-1338	3	10	pi	pi	NOUN
ap-1338	3	11	of	of	ADP
ap-1338	3	12	the	the	DET
ap-1338	3	13	sky	sky	NOUN
ap-1338	3	14	”	"	PUNCT
ap-1338	3	15	system	system	NOUN
ap-1338	3	16	m.	m.	NOUN
ap-1338	3	17	soko	soko	PROPN
ap-1338	3	18	�	�	PROPN
ap-1338	3	19	lowski	lowski	PROPN
ap-1338	3	20	,	,	PUNCT
ap-1338	3	21	m.	m.	NOUN
ap-1338	3	22	należyty	należyty	PROPN
ap-1338	3	23	,	,	PUNCT
ap-1338	3	24	a.	a.	NOUN
ap-1338	3	25	majczyna	majczyna	PROPN
ap-1338	3	26	,	,	PUNCT
ap-1338	3	27	r.	r.	PROPN
ap-1338	3	28	wawrzaszek	wawrzaszek	PROPN
ap-1338	3	29	,	,	PUNCT
ap-1338	3	30	p.	p.	NOUN
ap-1338	3	31	wajer	wajer	NOUN
ap-1338	3	32	abstract	abstract	VERB
ap-1338	3	33	the	the	DET
ap-1338	3	34	main	main	ADJ
ap-1338	3	35	purpose	purpose	NOUN
ap-1338	3	36	of	of	ADP
ap-1338	3	37	the	the	DET
ap-1338	3	38	“	"	PUNCT
ap-1338	3	39	pi	pi	NOUN
ap-1338	3	40	of	of	ADP
ap-1338	3	41	the	the	DET
ap-1338	3	42	sky	sky	NOUN
ap-1338	3	43	”	"	PUNCT
ap-1338	3	44	system	system	NOUN
ap-1338	3	45	is	be	AUX
ap-1338	3	46	to	to	PART
ap-1338	3	47	investigate	investigate	VERB
ap-1338	3	48	short	short	ADJ
ap-1338	3	49	timescale	timescale	ADJ
ap-1338	3	50	astrophysical	astrophysical	ADJ
ap-1338	3	51	phenomena	phenomenon	NOUN
ap-1338	3	52	(	(	PUNCT
ap-1338	3	53	particularly	particularly	ADV
ap-1338	3	54	gamma	gamma	NOUN
ap-1338	3	55	-	-	PUNCT
ap-1338	3	56	ray	ray	NOUN
ap-1338	3	57	bursts	burst	NOUN
ap-1338	3	58	,	,	PUNCT
ap-1338	3	59	optical	optical	ADJ
ap-1338	3	60	transients	transient	NOUN
ap-1338	3	61	and	and	CCONJ
ap-1338	3	62	variable	variable	ADJ
ap-1338	3	63	stars	star	NOUN
ap-1338	3	64	)	)	PUNCT
ap-1338	3	65	.	.	PUNCT
ap-1338	4	1	wide	wide	ADJ
ap-1338	4	2	field	field	NOUN
ap-1338	4	3	,	,	PUNCT
ap-1338	4	4	short	short	ADJ
ap-1338	4	5	exposures	exposure	NOUN
ap-1338	4	6	and	and	CCONJ
ap-1338	4	7	full	full	ADJ
ap-1338	4	8	automation	automation	NOUN
ap-1338	4	9	of	of	ADP
ap-1338	4	10	the	the	DET
ap-1338	4	11	system	system	NOUN
ap-1338	4	12	,	,	PUNCT
ap-1338	4	13	together	together	ADV
ap-1338	4	14	with	with	ADP
ap-1338	4	15	effective	effective	ADJ
ap-1338	4	16	algorithms	algorithm	NOUN
ap-1338	4	17	,	,	PUNCT
ap-1338	4	18	give	give	VERB
ap-1338	4	19	good	good	ADJ
ap-1338	4	20	prospects	prospect	NOUN
ap-1338	4	21	for	for	ADP
ap-1338	4	22	effective	effective	ADJ
ap-1338	4	23	identification	identification	NOUN
ap-1338	4	24	of	of	ADP
ap-1338	4	25	space	space	NOUN
ap-1338	4	26	debris	debris	NOUN
ap-1338	4	27	elements	element	NOUN
ap-1338	4	28	.	.	PUNCT
ap-1338	5	1	these	these	DET
ap-1338	5	2	objects	object	NOUN
ap-1338	5	3	can	can	AUX
ap-1338	5	4	be	be	AUX
ap-1338	5	5	a	a	DET
ap-1338	5	6	great	great	ADJ
ap-1338	5	7	danger	danger	NOUN
ap-1338	5	8	for	for	ADP
ap-1338	5	9	current	current	ADJ
ap-1338	5	10	and	and	CCONJ
ap-1338	5	11	future	future	ADJ
ap-1338	5	12	space	space	NOUN
ap-1338	5	13	missions	mission	NOUN
ap-1338	5	14	,	,	PUNCT
ap-1338	5	15	and	and	CCONJ
ap-1338	5	16	should	should	AUX
ap-1338	5	17	be	be	AUX
ap-1338	5	18	continuously	continuously	ADV
ap-1338	5	19	monitored	monitor	VERB
ap-1338	5	20	and	and	CCONJ
ap-1338	5	21	cataloged	catalog	VERB
ap-1338	5	22	.	.	PUNCT
ap-1338	6	1	algorithms	algorithm	NOUN
ap-1338	6	2	for	for	ADP
ap-1338	6	3	identifying	identify	VERB
ap-1338	6	4	optical	optical	ADJ
ap-1338	6	5	transients	transient	NOUN
ap-1338	6	6	(	(	PUNCT
ap-1338	6	7	ot	ot	INTJ
ap-1338	6	8	)	)	PUNCT
ap-1338	6	9	,	,	PUNCT
ap-1338	6	10	designed	design	VERB
ap-1338	6	11	for	for	SCONJ
ap-1338	6	12	the	the	DET
ap-1338	6	13	“	"	PUNCT
ap-1338	6	14	pi	pi	NOUN
ap-1338	6	15	of	of	ADP
ap-1338	6	16	the	the	DET
ap-1338	6	17	sky	sky	NOUN
ap-1338	6	18	”	"	PUNCT
ap-1338	6	19	experiment	experiment	NOUN
ap-1338	6	20	enable	enable	VERB
ap-1338	6	21	moving	move	VERB
ap-1338	6	22	objects	object	NOUN
ap-1338	6	23	like	like	ADP
ap-1338	6	24	planes	plane	NOUN
ap-1338	6	25	,	,	PUNCT
ap-1338	6	26	satellites	satellite	NOUN
ap-1338	6	27	and	and	CCONJ
ap-1338	6	28	space	space	NOUN
ap-1338	6	29	debris	debris	NOUN
ap-1338	6	30	elements	element	NOUN
ap-1338	6	31	to	to	PART
ap-1338	6	32	be	be	AUX
ap-1338	6	33	identified	identify	VERB
ap-1338	6	34	.	.	PUNCT
ap-1338	7	1	the	the	DET
ap-1338	7	2	algorithm	algorithm	NOUN
ap-1338	7	3	verifies	verifie	NOUN
ap-1338	7	4	each	each	DET
ap-1338	7	5	ot	ot	INTJ
ap-1338	7	6	candidate	candidate	NOUN
ap-1338	7	7	against	against	ADP
ap-1338	7	8	a	a	DET
ap-1338	7	9	database	database	NOUN
ap-1338	7	10	of	of	ADP
ap-1338	7	11	known	know	VERB
ap-1338	7	12	satellites	satellite	NOUN
ap-1338	7	13	and	and	CCONJ
ap-1338	7	14	is	be	AUX
ap-1338	7	15	also	also	ADV
ap-1338	7	16	able	able	ADJ
ap-1338	7	17	to	to	PART
ap-1338	7	18	automatically	automatically	ADV
ap-1338	7	19	self	self	NOUN
ap-1338	7	20	-	-	PUNCT
ap-1338	7	21	identify	identify	VERB
ap-1338	7	22	moving	move	VERB
ap-1338	7	23	objects	object	NOUN
ap-1338	7	24	not	not	PART
ap-1338	7	25	present	present	ADJ
ap-1338	7	26	in	in	ADP
ap-1338	7	27	this	this	DET
ap-1338	7	28	database	database	NOUN
ap-1338	7	29	.	.	PUNCT
ap-1338	8	1	the	the	DET
ap-1338	8	2	data	datum	NOUN
ap-1338	8	3	collected	collect	VERB
ap-1338	8	4	by	by	ADP
ap-1338	8	5	the	the	DET
ap-1338	8	6	prototype	prototype	NOUN
ap-1338	8	7	in	in	ADP
ap-1338	8	8	the	the	DET
ap-1338	8	9	las	las	PROPN
ap-1338	8	10	campanas	campanas	PROPN
ap-1338	8	11	observatory	observatory	NOUN
ap-1338	8	12	enabled	enable	VERB
ap-1338	8	13	us	we	PRON
ap-1338	8	14	to	to	PART
ap-1338	8	15	obtain	obtain	VERB
ap-1338	8	16	a	a	DET
ap-1338	8	17	large	large	ADJ
ap-1338	8	18	sample	sample	NOUN
ap-1338	8	19	of	of	ADP
ap-1338	8	20	observations	observation	NOUN
ap-1338	8	21	of	of	ADP
ap-1338	8	22	moving	move	VERB
ap-1338	8	23	objects	object	NOUN
ap-1338	8	24	.	.	PUNCT
ap-1338	9	1	some	some	PRON
ap-1338	9	2	of	of	ADP
ap-1338	9	3	these	these	DET
ap-1338	9	4	objects	object	NOUN
ap-1338	9	5	were	be	AUX
ap-1338	9	6	identified	identify	VERB
ap-1338	9	7	as	as	ADP
ap-1338	9	8	high	high	ADJ
ap-1338	9	9	-	-	PUNCT
ap-1338	9	10	orbit	orbit	NOUN
ap-1338	9	11	geostationary	geostationary	NOUN
ap-1338	9	12	(	(	PUNCT
ap-1338	9	13	geo	geo	PROPN
ap-1338	9	14	)	)	PUNCT
ap-1338	9	15	satellites	satellite	NOUN
ap-1338	9	16	,	,	PUNCT
ap-1338	9	17	which	which	PRON
ap-1338	9	18	shows	show	VERB
ap-1338	9	19	that	that	SCONJ
ap-1338	9	20	it	it	PRON
ap-1338	9	21	is	be	AUX
ap-1338	9	22	possible	possible	ADJ
ap-1338	9	23	to	to	PART
ap-1338	9	24	observe	observe	VERB
ap-1338	9	25	even	even	ADV
ap-1338	9	26	distant	distant	ADJ
ap-1338	9	27	satellites	satellite	NOUN
ap-1338	9	28	with	with	ADP
ap-1338	9	29	small	small	ADJ
ap-1338	9	30	aperture	aperture	NOUN
ap-1338	9	31	photo	photo	NOUN
ap-1338	9	32	lenses	lense	NOUN
ap-1338	9	33	.	.	PUNCT
ap-1338	10	1	the	the	DET
ap-1338	10	2	analysis	analysis	NOUN
ap-1338	10	3	of	of	ADP
ap-1338	10	4	the	the	DET
ap-1338	10	5	sample	sample	NOUN
ap-1338	10	6	is	be	AUX
ap-1338	10	7	still	still	ADV
ap-1338	10	8	going	go	VERB
ap-1338	10	9	on	on	ADP
ap-1338	10	10	.	.	PUNCT
ap-1338	11	1	the	the	DET
ap-1338	11	2	preliminary	preliminary	ADJ
ap-1338	11	3	results	result	NOUN
ap-1338	11	4	and	and	CCONJ
ap-1338	11	5	algorithms	algorithm	NOUN
ap-1338	11	6	for	for	ADP
ap-1338	11	7	automatic	automatic	ADJ
ap-1338	11	8	identification	identification	NOUN
ap-1338	11	9	of	of	ADP
ap-1338	11	10	moving	move	VERB
ap-1338	11	11	objects	object	NOUN
ap-1338	11	12	will	will	AUX
ap-1338	11	13	be	be	AUX
ap-1338	11	14	described	describe	VERB
ap-1338	11	15	here	here	ADV
ap-1338	11	16	.	.	PUNCT
ap-1338	12	1	keywords	keyword	NOUN
ap-1338	12	2	:	:	PUNCT
ap-1338	12	3	space	space	NOUN
ap-1338	12	4	debris	debris	NOUN
ap-1338	12	5	,	,	PUNCT
ap-1338	12	6	robotic	robotic	ADJ
ap-1338	12	7	telescopes	telescope	NOUN
ap-1338	12	8	,	,	PUNCT
ap-1338	12	9	satellite	satellite	NOUN
ap-1338	12	10	observations	observation	NOUN
ap-1338	12	11	,	,	PUNCT
ap-1338	12	12	satellite	satellite	NOUN
ap-1338	12	13	tracking	tracking	NOUN
ap-1338	12	14	,	,	PUNCT
ap-1338	12	15	optical	optical	ADJ
ap-1338	12	16	transients	transient	NOUN
ap-1338	12	17	.	.	PUNCT
ap-1338	13	1	1	1	NUM
ap-1338	13	2	introduction	introduction	NOUN
ap-1338	13	3	space	space	NOUN
ap-1338	13	4	debris	debris	NOUN
ap-1338	13	5	consists	consist	VERB
ap-1338	13	6	of	of	ADP
ap-1338	13	7	objects	object	NOUN
ap-1338	13	8	originally	originally	ADV
ap-1338	13	9	launched	launch	VERB
ap-1338	13	10	by	by	ADP
ap-1338	13	11	humans	human	NOUN
ap-1338	13	12	,	,	PUNCT
ap-1338	13	13	which	which	PRON
ap-1338	13	14	now	now	ADV
ap-1338	13	15	orbit	orbit	VERB
ap-1338	13	16	the	the	DET
ap-1338	13	17	earth	earth	NOUN
ap-1338	13	18	but	but	CCONJ
ap-1338	13	19	are	be	AUX
ap-1338	13	20	no	no	ADV
ap-1338	13	21	longer	long	ADV
ap-1338	13	22	in	in	ADP
ap-1338	13	23	use	use	NOUN
ap-1338	13	24	.	.	PUNCT
ap-1338	14	1	they	they	PRON
ap-1338	14	2	can	can	AUX
ap-1338	14	3	be	be	AUX
ap-1338	14	4	upper	upper	ADJ
ap-1338	14	5	stages	stage	NOUN
ap-1338	14	6	of	of	ADP
ap-1338	14	7	rockets	rocket	NOUN
ap-1338	14	8	,	,	PUNCT
ap-1338	14	9	dead	dead	ADJ
ap-1338	14	10	satellites	satellite	NOUN
ap-1338	14	11	,	,	PUNCT
ap-1338	14	12	engine	engine	NOUN
ap-1338	14	13	modules	module	NOUN
ap-1338	14	14	of	of	ADP
ap-1338	14	15	geostationary	geostationary	ADJ
ap-1338	14	16	satellites	satellite	NOUN
ap-1338	14	17	,	,	PUNCT
ap-1338	14	18	remnants	remnant	NOUN
ap-1338	14	19	from	from	ADP
ap-1338	14	20	satellite	satellite	NOUN
ap-1338	14	21	collisions	collision	NOUN
ap-1338	14	22	,	,	PUNCT
ap-1338	14	23	etc	etc	X
ap-1338	14	24	.	.	X
ap-1338	15	1	collisions	collision	NOUN
ap-1338	15	2	of	of	ADP
ap-1338	15	3	these	these	DET
ap-1338	15	4	elements	element	NOUN
ap-1338	15	5	moving	move	VERB
ap-1338	15	6	at	at	ADP
ap-1338	15	7	a	a	DET
ap-1338	15	8	speed	speed	NOUN
ap-1338	15	9	of	of	ADP
ap-1338	15	10	several	several	ADJ
ap-1338	15	11	km	km	NOUN
ap-1338	15	12	/	/	SYM
ap-1338	15	13	s	s	PART
ap-1338	15	14	can	can	AUX
ap-1338	15	15	destroy	destroy	VERB
ap-1338	15	16	active	active	ADJ
ap-1338	15	17	satellites	satellite	NOUN
ap-1338	15	18	and	and	CCONJ
ap-1338	15	19	can	can	AUX
ap-1338	15	20	in	in	ADP
ap-1338	15	21	the	the	DET
ap-1338	15	22	worst	bad	ADJ
ap-1338	15	23	case	case	NOUN
ap-1338	15	24	be	be	AUX
ap-1338	15	25	dangerous	dangerous	ADJ
ap-1338	15	26	for	for	ADP
ap-1338	15	27	astronauts	astronaut	NOUN
ap-1338	15	28	on	on	ADP
ap-1338	15	29	missions	mission	NOUN
ap-1338	15	30	(	(	PUNCT
ap-1338	15	31	spacecraft	spacecraft	NOUN
ap-1338	15	32	or	or	CCONJ
ap-1338	15	33	space	space	NOUN
ap-1338	15	34	stations	station	NOUN
ap-1338	15	35	)	)	PUNCT
ap-1338	15	36	.	.	PUNCT
ap-1338	16	1	this	this	DET
ap-1338	16	2	problem	problem	NOUN
ap-1338	16	3	was	be	AUX
ap-1338	16	4	spectacularly	spectacularly	ADV
ap-1338	16	5	demonstrated	demonstrate	VERB
ap-1338	16	6	in	in	ADP
ap-1338	16	7	reality	reality	NOUN
ap-1338	16	8	on	on	ADP
ap-1338	16	9	12	12	NUM
ap-1338	16	10	february	february	NOUN
ap-1338	16	11	2009	2009	NUM
ap-1338	16	12	,	,	PUNCT
ap-1338	16	13	when	when	SCONJ
ap-1338	16	14	the	the	DET
ap-1338	16	15	irridium	irridium	NOUN
ap-1338	16	16	33	33	NUM
ap-1338	16	17	and	and	CCONJ
ap-1338	16	18	cosmos	cosmos	PROPN
ap-1338	16	19	2	2	NUM
ap-1338	16	20	251	251	NUM
ap-1338	16	21	satellites	satellite	NOUN
ap-1338	16	22	collided	collide	VERB
ap-1338	16	23	over	over	ADP
ap-1338	16	24	northern	northern	ADJ
ap-1338	16	25	siberia	siberia	PROPN
ap-1338	16	26	at	at	ADP
ap-1338	16	27	relative	relative	ADJ
ap-1338	16	28	speeds	speed	NOUN
ap-1338	16	29	of	of	ADP
ap-1338	16	30	about	about	ADV
ap-1338	16	31	11	11	NUM
ap-1338	16	32	km	km	NOUN
ap-1338	16	33	/	/	SYM
ap-1338	16	34	s.	s.	PROPN
ap-1338	16	35	the	the	DET
ap-1338	16	36	crash	crash	NOUN
ap-1338	16	37	produced	produce	VERB
ap-1338	16	38	thousands	thousand	NOUN
ap-1338	16	39	of	of	ADP
ap-1338	16	40	new	new	ADJ
ap-1338	16	41	pieces	piece	NOUN
ap-1338	16	42	of	of	ADP
ap-1338	16	43	space	space	NOUN
ap-1338	16	44	junk	junk	NOUN
ap-1338	16	45	,	,	PUNCT
ap-1338	16	46	which	which	PRON
ap-1338	16	47	can	can	AUX
ap-1338	16	48	be	be	AUX
ap-1338	16	49	dangerous	dangerous	ADJ
ap-1338	16	50	for	for	ADP
ap-1338	16	51	other	other	ADJ
ap-1338	16	52	satellites	satellite	NOUN
ap-1338	16	53	.	.	PUNCT
ap-1338	17	1	such	such	ADJ
ap-1338	17	2	elements	element	NOUN
ap-1338	17	3	should	should	AUX
ap-1338	17	4	be	be	AUX
ap-1338	17	5	cataloged	catalog	VERB
ap-1338	17	6	and	and	CCONJ
ap-1338	17	7	continuously	continuously	ADV
ap-1338	17	8	monitored	monitor	VERB
ap-1338	17	9	to	to	PART
ap-1338	17	10	enable	enable	VERB
ap-1338	17	11	satellites	satellite	NOUN
ap-1338	17	12	and	and	CCONJ
ap-1338	17	13	spacecraft	spacecraft	NOUN
ap-1338	17	14	to	to	PART
ap-1338	17	15	avoid	avoid	VERB
ap-1338	17	16	them	they	PRON
ap-1338	17	17	.	.	PUNCT
ap-1338	18	1	most	most	ADJ
ap-1338	18	2	space	space	NOUN
ap-1338	18	3	debris	debris	NOUN
ap-1338	18	4	elements	element	NOUN
ap-1338	18	5	populate	populate	VERB
ap-1338	18	6	low	low	ADJ
ap-1338	18	7	earth	earth	NOUN
ap-1338	18	8	orbits	orbit	NOUN
ap-1338	18	9	(	(	PUNCT
ap-1338	18	10	leo	leo	PROPN
ap-1338	18	11	)	)	PUNCT
ap-1338	18	12	,	,	PUNCT
ap-1338	18	13	but	but	CCONJ
ap-1338	18	14	the	the	DET
ap-1338	18	15	number	number	NOUN
ap-1338	18	16	of	of	ADP
ap-1338	18	17	objects	object	NOUN
ap-1338	18	18	near	near	ADP
ap-1338	18	19	to	to	ADP
ap-1338	18	20	geostationary	geostationary	ADJ
ap-1338	18	21	orbit	orbit	NOUN
ap-1338	18	22	(	(	PUNCT
ap-1338	18	23	geo	geo	PROPN
ap-1338	18	24	)	)	PUNCT
ap-1338	18	25	is	be	AUX
ap-1338	18	26	constantly	constantly	ADV
ap-1338	18	27	growing	grow	VERB
ap-1338	18	28	.	.	PUNCT
ap-1338	19	1	there	there	PRON
ap-1338	19	2	are	be	VERB
ap-1338	19	3	about	about	ADV
ap-1338	19	4	13	13	NUM
ap-1338	19	5	000	000	NUM
ap-1338	19	6	artificial	artificial	ADJ
ap-1338	19	7	objects	object	NOUN
ap-1338	19	8	in	in	ADP
ap-1338	19	9	the	the	DET
ap-1338	19	10	earth	earth	NOUN
ap-1338	19	11	’s	’s	PART
ap-1338	19	12	orbit	orbit	NOUN
ap-1338	19	13	,	,	PUNCT
ap-1338	19	14	fewer	few	ADJ
ap-1338	19	15	than	than	ADP
ap-1338	19	16	800	800	NUM
ap-1338	19	17	of	of	ADP
ap-1338	19	18	which	which	PRON
ap-1338	19	19	are	be	AUX
ap-1338	19	20	active	active	ADJ
ap-1338	19	21	satellites	satellite	NOUN
ap-1338	19	22	,	,	PUNCT
ap-1338	19	23	while	while	SCONJ
ap-1338	19	24	more	more	ADJ
ap-1338	19	25	than	than	ADP
ap-1338	19	26	12,000	12,000	NUM
ap-1338	19	27	are	be	AUX
ap-1338	19	28	space	space	NOUN
ap-1338	19	29	debris	debris	NOUN
ap-1338	19	30	elements	element	NOUN
ap-1338	19	31	larger	large	ADJ
ap-1338	19	32	than	than	ADP
ap-1338	19	33	10	10	NUM
ap-1338	19	34	cm	cm	NOUN
ap-1338	19	35	.	.	PUNCT
ap-1338	20	1	in	in	ADP
ap-1338	20	2	principle	principle	NOUN
ap-1338	20	3	,	,	PUNCT
ap-1338	20	4	the	the	DET
ap-1338	20	5	only	only	ADJ
ap-1338	20	6	way	way	NOUN
ap-1338	20	7	to	to	PART
ap-1338	20	8	avoid	avoid	VERB
ap-1338	20	9	collisions	collision	NOUN
ap-1338	20	10	with	with	ADP
ap-1338	20	11	potentially	potentially	ADV
ap-1338	20	12	dengerous	dengerous	ADJ
ap-1338	20	13	space	space	NOUN
ap-1338	20	14	debris	debris	NOUN
ap-1338	20	15	elements	element	NOUN
ap-1338	20	16	(	(	PUNCT
ap-1338	20	17	larger	large	ADJ
ap-1338	20	18	than	than	ADP
ap-1338	20	19	1	1	NUM
ap-1338	20	20	cm	cm	NOUN
ap-1338	20	21	in	in	ADP
ap-1338	20	22	size	size	NOUN
ap-1338	20	23	)	)	PUNCT
ap-1338	20	24	is	be	AUX
ap-1338	20	25	by	by	ADP
ap-1338	20	26	manoeuvering	manoeuver	VERB
ap-1338	20	27	spacecraft	spacecraft	NOUN
ap-1338	20	28	.	.	PUNCT
ap-1338	21	1	however	however	ADV
ap-1338	21	2	,	,	PUNCT
ap-1338	21	3	in	in	ADP
ap-1338	21	4	order	order	NOUN
ap-1338	21	5	to	to	PART
ap-1338	21	6	do	do	AUX
ap-1338	21	7	this	this	PRON
ap-1338	21	8	,	,	PUNCT
ap-1338	21	9	space	space	NOUN
ap-1338	21	10	junk	junk	NOUN
ap-1338	21	11	elements	element	NOUN
ap-1338	21	12	must	must	AUX
ap-1338	21	13	be	be	AUX
ap-1338	21	14	continuously	continuously	ADV
ap-1338	21	15	monitored	monitor	VERB
ap-1338	21	16	and	and	CCONJ
ap-1338	21	17	cataloged	catalog	VERB
ap-1338	21	18	.	.	PUNCT
ap-1338	22	1	efforts	effort	NOUN
ap-1338	22	2	are	be	AUX
ap-1338	22	3	being	be	AUX
ap-1338	22	4	undertaken	undertake	VERB
ap-1338	22	5	by	by	ADP
ap-1338	22	6	national	national	ADJ
ap-1338	22	7	and	and	CCONJ
ap-1338	22	8	international	international	ADJ
ap-1338	22	9	space	space	NOUN
ap-1338	22	10	agencies	agency	NOUN
ap-1338	22	11	to	to	PART
ap-1338	22	12	discover	discover	VERB
ap-1338	22	13	and	and	CCONJ
ap-1338	22	14	monitor	monitor	VERB
ap-1338	22	15	space	space	NOUN
ap-1338	22	16	debris	debris	NOUN
ap-1338	22	17	elements	element	NOUN
ap-1338	22	18	.	.	PUNCT
ap-1338	23	1	the	the	DET
ap-1338	23	2	largest	large	ADJ
ap-1338	23	3	existing	exist	VERB
ap-1338	23	4	catalog	catalog	NOUN
ap-1338	23	5	of	of	ADP
ap-1338	23	6	objects	object	NOUN
ap-1338	23	7	in	in	ADP
ap-1338	23	8	the	the	DET
ap-1338	23	9	earth	earth	NOUN
ap-1338	23	10	orbit	orbit	NOUN
ap-1338	23	11	is	be	AUX
ap-1338	23	12	the	the	DET
ap-1338	23	13	space	space	NOUN
ap-1338	23	14	object	object	NOUN
ap-1338	23	15	catalog	catalog	NOUN
ap-1338	23	16	,	,	PUNCT
ap-1338	23	17	provided	provide	VERB
ap-1338	23	18	by	by	ADP
ap-1338	23	19	norad	norad	PROPN
ap-1338	23	20	(	(	PUNCT
ap-1338	23	21	north	north	NOUN
ap-1338	23	22	american	american	PROPN
ap-1338	23	23	aerospace	aerospace	PROPN
ap-1338	23	24	defense	defense	PROPN
ap-1338	23	25	command	command	NOUN
ap-1338	23	26	)	)	PUNCT
ap-1338	23	27	,	,	PUNCT
ap-1338	23	28	which	which	PRON
ap-1338	23	29	is	be	AUX
ap-1338	23	30	based	base	VERB
ap-1338	23	31	on	on	ADP
ap-1338	23	32	a	a	DET
ap-1338	23	33	network	network	NOUN
ap-1338	23	34	of	of	ADP
ap-1338	23	35	optical	optical	ADJ
ap-1338	23	36	and	and	CCONJ
ap-1338	23	37	radio	radio	NOUN
ap-1338	23	38	telescopes	telescope	NOUN
ap-1338	23	39	of	of	ADP
ap-1338	23	40	various	various	ADJ
ap-1338	23	41	apertures	aperture	NOUN
ap-1338	23	42	.	.	PUNCT
ap-1338	24	1	systems	system	NOUN
ap-1338	24	2	like	like	ADP
ap-1338	24	3	norad	norad	PROPN
ap-1338	24	4	typically	typically	ADV
ap-1338	24	5	work	work	VERB
ap-1338	24	6	in	in	ADP
ap-1338	24	7	two	two	NUM
ap-1338	24	8	modes	mode	NOUN
ap-1338	24	9	.	.	PUNCT
ap-1338	25	1	in	in	ADP
ap-1338	25	2	wide	wide	ADJ
ap-1338	25	3	-	-	PUNCT
ap-1338	25	4	field	field	NOUN
ap-1338	25	5	mode	mode	NOUN
ap-1338	25	6	they	they	PRON
ap-1338	25	7	can	can	AUX
ap-1338	25	8	discover	discover	VERB
ap-1338	25	9	new	new	ADJ
ap-1338	25	10	space	space	NOUN
ap-1338	25	11	debris	debris	NOUN
ap-1338	25	12	elements	element	NOUN
ap-1338	25	13	,	,	PUNCT
ap-1338	25	14	which	which	PRON
ap-1338	25	15	are	be	AUX
ap-1338	25	16	later	later	ADV
ap-1338	25	17	precisely	precisely	ADV
ap-1338	25	18	tracked	track	VERB
ap-1338	25	19	by	by	ADP
ap-1338	25	20	narrow	narrow	ADJ
ap-1338	25	21	field	field	NOUN
ap-1338	25	22	instruments	instrument	NOUN
ap-1338	25	23	.	.	PUNCT
ap-1338	26	1	long	long	ADJ
ap-1338	26	2	term	term	NOUN
ap-1338	26	3	narrow	narrow	ADJ
ap-1338	26	4	mode	mode	NOUN
ap-1338	26	5	observations	observation	NOUN
ap-1338	26	6	enables	enable	VERB
ap-1338	26	7	precise	precise	ADJ
ap-1338	26	8	determination	determination	NOUN
ap-1338	26	9	of	of	ADP
ap-1338	26	10	orbital	orbital	ADJ
ap-1338	26	11	parameters	parameter	NOUN
ap-1338	26	12	.	.	PUNCT
ap-1338	27	1	the	the	DET
ap-1338	27	2	orbital	orbital	ADJ
ap-1338	27	3	elements	element	NOUN
ap-1338	27	4	are	be	AUX
ap-1338	27	5	stored	store	VERB
ap-1338	27	6	in	in	ADP
ap-1338	27	7	the	the	DET
ap-1338	27	8	two	two	NUM
ap-1338	27	9	line	line	NOUN
ap-1338	27	10	elements	element	NOUN
ap-1338	27	11	(	(	PUNCT
ap-1338	27	12	tle	tle	ADJ
ap-1338	27	13	)	)	PUNCT
ap-1338	27	14	format	format	NOUN
ap-1338	27	15	which	which	PRON
ap-1338	27	16	,	,	PUNCT
ap-1338	27	17	besides	besides	SCONJ
ap-1338	27	18	identifiers	identifier	NOUN
ap-1338	27	19	,	,	PUNCT
ap-1338	27	20	consists	consist	VERB
ap-1338	27	21	of	of	ADP
ap-1338	27	22	ten	ten	NUM
ap-1338	27	23	parameters	parameter	NOUN
ap-1338	27	24	fully	fully	ADV
ap-1338	27	25	describing	describe	VERB
ap-1338	27	26	the	the	DET
ap-1338	27	27	object	object	NOUN
ap-1338	27	28	’s	’s	PART
ap-1338	27	29	orbit	orbit	NOUN
ap-1338	28	1	[	[	X
ap-1338	28	2	1	1	NUM
ap-1338	28	3	]	]	PUNCT
ap-1338	28	4	.	.	PUNCT
ap-1338	29	1	there	there	PRON
ap-1338	29	2	are	be	VERB
ap-1338	29	3	also	also	ADV
ap-1338	29	4	initiatives	initiative	NOUN
ap-1338	29	5	in	in	ADP
ap-1338	29	6	europe	europe	PROPN
ap-1338	29	7	to	to	PART
ap-1338	29	8	create	create	VERB
ap-1338	29	9	a	a	DET
ap-1338	29	10	system	system	NOUN
ap-1338	29	11	similar	similar	ADJ
ap-1338	29	12	to	to	ADP
ap-1338	29	13	norad	norad	PROPN
ap-1338	29	14	.	.	PUNCT
ap-1338	30	1	one	one	NUM
ap-1338	30	2	of	of	ADP
ap-1338	30	3	the	the	DET
ap-1338	30	4	ideas	idea	NOUN
ap-1338	30	5	is	be	AUX
ap-1338	30	6	the	the	DET
ap-1338	30	7	space	space	NOUN
ap-1338	30	8	situational	situational	ADJ
ap-1338	30	9	awareness	awareness	NOUN
ap-1338	30	10	program	program	NOUN
ap-1338	30	11	(	(	PUNCT
ap-1338	30	12	ssa	ssa	NOUN
ap-1338	30	13	)	)	PUNCT
ap-1338	30	14	.	.	PUNCT
ap-1338	31	1	the	the	DET
ap-1338	31	2	first	first	ADJ
ap-1338	31	3	stage	stage	NOUN
ap-1338	31	4	of	of	ADP
ap-1338	31	5	such	such	DET
ap-1338	31	6	a	a	DET
ap-1338	31	7	system	system	NOUN
ap-1338	31	8	is	be	AUX
ap-1338	31	9	the	the	DET
ap-1338	31	10	european	european	ADJ
ap-1338	31	11	space	space	NOUN
ap-1338	31	12	surveillance	surveillance	NOUN
ap-1338	31	13	system	system	NOUN
ap-1338	31	14	(	(	PUNCT
ap-1338	31	15	esss	esss	PROPN
ap-1338	31	16	)	)	PUNCT
ap-1338	32	1	[	[	X
ap-1338	32	2	2	2	NUM
ap-1338	32	3	]	]	PUNCT
ap-1338	32	4	,	,	PUNCT
ap-1338	32	5	which	which	PRON
ap-1338	32	6	was	be	AUX
ap-1338	32	7	proposed	propose	VERB
ap-1338	32	8	for	for	ADP
ap-1338	32	9	automatic	automatic	ADJ
ap-1338	32	10	detection	detection	NOUN
ap-1338	32	11	and	and	CCONJ
ap-1338	32	12	identification	identification	NOUN
ap-1338	32	13	of	of	ADP
ap-1338	32	14	space	space	NOUN
ap-1338	32	15	debris	debris	NOUN
ap-1338	32	16	pieces	piece	NOUN
ap-1338	32	17	,	,	PUNCT
ap-1338	32	18	and	and	CCONJ
ap-1338	32	19	for	for	ADP
ap-1338	32	20	determining	determine	VERB
ap-1338	32	21	orbital	orbital	ADJ
ap-1338	32	22	elements	element	NOUN
ap-1338	32	23	.	.	PUNCT
ap-1338	33	1	it	it	PRON
ap-1338	33	2	will	will	AUX
ap-1338	33	3	track	track	VERB
ap-1338	33	4	objects	object	NOUN
ap-1338	33	5	from	from	ADP
ap-1338	33	6	leo	leo	PROPN
ap-1338	33	7	orbits	orbit	NOUN
ap-1338	33	8	and	and	CCONJ
ap-1338	33	9	predict	predict	VERB
ap-1338	33	10	their	their	PRON
ap-1338	33	11	movements	movement	NOUN
ap-1338	33	12	.	.	PUNCT
ap-1338	34	1	natural	natural	ADJ
ap-1338	34	2	candidates	candidate	NOUN
ap-1338	34	3	to	to	PART
ap-1338	34	4	join	join	VERB
ap-1338	34	5	such	such	DET
ap-1338	34	6	a	a	DET
ap-1338	34	7	system	system	NOUN
ap-1338	34	8	are	be	AUX
ap-1338	34	9	robotic	robotic	ADJ
ap-1338	34	10	telescopes	telescope	NOUN
ap-1338	34	11	.	.	PUNCT
ap-1338	35	1	these	these	DET
ap-1338	35	2	instruments	instrument	NOUN
ap-1338	35	3	work	work	VERB
ap-1338	35	4	automatically	automatically	ADV
ap-1338	35	5	with	with	ADP
ap-1338	35	6	almost	almost	ADV
ap-1338	35	7	no	no	DET
ap-1338	35	8	human	human	ADJ
ap-1338	35	9	attention	attention	NOUN
ap-1338	35	10	.	.	PUNCT
ap-1338	36	1	they	they	PRON
ap-1338	36	2	also	also	ADV
ap-1338	36	3	perform	perform	VERB
ap-1338	36	4	automatic	automatic	ADJ
ap-1338	36	5	data	datum	NOUN
ap-1338	36	6	analysis	analysis	NOUN
ap-1338	36	7	,	,	PUNCT
ap-1338	36	8	which	which	PRON
ap-1338	36	9	is	be	AUX
ap-1338	36	10	expected	expect	VERB
ap-1338	36	11	in	in	ADP
ap-1338	36	12	the	the	DET
ap-1338	36	13	esss	esss	NOUN
ap-1338	36	14	.	.	PUNCT
ap-1338	37	1	in	in	ADP
ap-1338	37	2	many	many	ADJ
ap-1338	37	3	cases	case	NOUN
ap-1338	37	4	they	they	PRON
ap-1338	37	5	run	run	VERB
ap-1338	37	6	algorithms	algorithm	NOUN
ap-1338	37	7	very	very	ADV
ap-1338	37	8	similar	similar	ADJ
ap-1338	37	9	to	to	ADP
ap-1338	37	10	those	those	PRON
ap-1338	37	11	required	require	VERB
ap-1338	37	12	for	for	ADP
ap-1338	37	13	discovering	discover	VERB
ap-1338	37	14	space	space	NOUN
ap-1338	37	15	debris	debris	NOUN
ap-1338	37	16	.	.	PUNCT
ap-1338	38	1	examples	example	NOUN
ap-1338	38	2	of	of	ADP
ap-1338	38	3	european	european	ADJ
ap-1338	38	4	telescopes	telescope	NOUN
ap-1338	38	5	already	already	ADV
ap-1338	38	6	tracking	track	VERB
ap-1338	38	7	elements	element	NOUN
ap-1338	38	8	in	in	ADP
ap-1338	38	9	the	the	DET
ap-1338	38	10	earth	earth	NOUN
ap-1338	38	11	orbit	orbit	NOUN
ap-1338	38	12	are	be	AUX
ap-1338	38	13	tarot	tarot	NOUN
ap-1338	38	14	(	(	PUNCT
ap-1338	38	15	fov	fov	NOUN
ap-1338	38	16	of	of	ADP
ap-1338	38	17	2	2	NUM
ap-1338	38	18	◦	◦	NOUN
ap-1338	38	19	×	×	NOUN
ap-1338	38	20	2	2	NUM
ap-1338	38	21	◦	◦	NOUN
ap-1338	38	22	)	)	PUNCT
ap-1338	38	23	and	and	CCONJ
ap-1338	38	24	starbrook	starbrook	NOUN
ap-1338	38	25	(	(	PUNCT
ap-1338	38	26	fov	fov	NOUN
ap-1338	38	27	of	of	ADP
ap-1338	38	28	10	10	NUM
ap-1338	38	29	◦	◦	NOUN
ap-1338	38	30	×	×	NOUN
ap-1338	38	31	6	6	NUM
ap-1338	38	32	◦	◦	NOUN
ap-1338	38	33	)	)	PUNCT
ap-1338	39	1	[	[	X
ap-1338	39	2	2	2	NUM
ap-1338	39	3	]	]	PUNCT
ap-1338	39	4	.	.	PUNCT
ap-1338	40	1	another	another	DET
ap-1338	40	2	component	component	NOUN
ap-1338	40	3	of	of	ADP
ap-1338	40	4	this	this	DET
ap-1338	40	5	system	system	NOUN
ap-1338	40	6	will	will	AUX
ap-1338	40	7	be	be	AUX
ap-1338	40	8	widefield	widefield	NOUN
ap-1338	40	9	optical	optical	ADJ
ap-1338	40	10	systems	system	NOUN
ap-1338	40	11	like	like	ADP
ap-1338	40	12	“	"	PUNCT
ap-1338	40	13	pi	pi	NOUN
ap-1338	40	14	of	of	ADP
ap-1338	40	15	the	the	DET
ap-1338	40	16	sky	sky	NOUN
ap-1338	40	17	”	"	PUNCT
ap-1338	40	18	.	.	PUNCT
ap-1338	41	1	the	the	DET
ap-1338	41	2	purpose	purpose	NOUN
ap-1338	41	3	of	of	ADP
ap-1338	41	4	this	this	DET
ap-1338	41	5	study	study	NOUN
ap-1338	41	6	is	be	AUX
ap-1338	41	7	to	to	PART
ap-1338	41	8	verify	verify	VERB
ap-1338	41	9	the	the	DET
ap-1338	41	10	ability	ability	NOUN
ap-1338	41	11	of	of	ADP
ap-1338	41	12	the	the	DET
ap-1338	41	13	“	"	PUNCT
ap-1338	41	14	pi	pi	PROPN
ap-1338	41	15	103	103	NUM
ap-1338	41	16	acta	acta	PROPN
ap-1338	41	17	polytechnica	polytechnica	PROPN
ap-1338	41	18	vol	vol	NOUN
ap-1338	41	19	.	.	PUNCT
ap-1338	42	1	51	51	NUM
ap-1338	42	2	no	no	NOUN
ap-1338	42	3	.	.	PUNCT
ap-1338	43	1	2/2011	2/2011	NUM
ap-1338	43	2	parameter	parameter	NOUN
ap-1338	43	3	prototype	prototype	NOUN
ap-1338	43	4	final	final	ADJ
ap-1338	43	5	focal	focal	ADJ
ap-1338	43	6	length	length	NOUN
ap-1338	43	7	85	85	NUM
ap-1338	43	8	mm	mm	NOUN
ap-1338	43	9	85	85	NUM
ap-1338	43	10	mm	mm	NOUN
ap-1338	43	11	focal	focal	ADJ
ap-1338	43	12	ratio	ratio	NOUN
ap-1338	43	13	1.2	1.2	NUM
ap-1338	43	14	1.2	1.2	NUM
ap-1338	43	15	ccd	ccd	PROPN
ap-1338	43	16	sensor	sensor	NOUN
ap-1338	43	17	brand	brand	NOUN
ap-1338	43	18	fairchild	fairchild	PROPN
ap-1338	43	19	sta	sta	PROPN
ap-1338	43	20	ccd	ccd	PROPN
ap-1338	43	21	size	size	NOUN
ap-1338	43	22	2	2	NUM
ap-1338	43	23	048	048	NUM
ap-1338	43	24	×	×	NOUN
ap-1338	43	25	2	2	NUM
ap-1338	43	26	048	048	NUM
ap-1338	43	27	px	px	PROPN
ap-1338	43	28	2	2	NUM
ap-1338	43	29	048	048	NUM
ap-1338	43	30	×	×	NOUN
ap-1338	43	31	2	2	NUM
ap-1338	43	32	048	048	NUM
ap-1338	43	33	px	px	PROPN
ap-1338	43	34	fov	fov	PROPN
ap-1338	43	35	20	20	NUM
ap-1338	43	36	◦	◦	NOUN
ap-1338	43	37	×	×	NOUN
ap-1338	43	38	20	20	NUM
ap-1338	43	39	◦	◦	NOUN
ap-1338	43	40	1.5–2	1.5–2	NOUN
ap-1338	43	41	steradians	steradians	PROPN
ap-1338	43	42	ccd	ccd	PROPN
ap-1338	43	43	pixel	pixel	PROPN
ap-1338	43	44	size	size	NOUN
ap-1338	43	45	15	15	NUM
ap-1338	43	46	×	×	NOUN
ap-1338	43	47	15	15	NUM
ap-1338	43	48	μm	μm	NUM
ap-1338	43	49	15	15	NUM
ap-1338	43	50	×	×	NOUN
ap-1338	43	51	15	15	NUM
ap-1338	43	52	μm	μm	NUM
ap-1338	43	53	time	time	NOUN
ap-1338	43	54	of	of	ADP
ap-1338	43	55	exposure	exposure	NOUN
ap-1338	43	56	10	10	NUM
ap-1338	43	57	s	s	NOUN
ap-1338	43	58	10	10	NUM
ap-1338	43	59	s	s	NOUN
ap-1338	43	60	relative	relative	ADJ
ap-1338	43	61	accuracy	accuracy	NOUN
ap-1338	43	62	of	of	ADP
ap-1338	43	63	20	20	NUM
ap-1338	43	64	ms	ms	NOUN
ap-1338	43	65	20	20	NUM
ap-1338	43	66	ms	ms	NOUN
ap-1338	43	67	shutter	shutter	NOUN
ap-1338	43	68	synchronization	synchronization	NOUN
ap-1338	43	69	limiting	limit	VERB
ap-1338	43	70	magnitude	magnitude	NOUN
ap-1338	43	71	12	12	NUM
ap-1338	43	72	m	m	NOUN
ap-1338	43	73	12	12	NUM
ap-1338	43	74	m	m	NOUN
ap-1338	43	75	for	for	ADP
ap-1338	43	76	stationary	stationary	ADJ
ap-1338	43	77	objects	object	NOUN
ap-1338	43	78	average	average	ADJ
ap-1338	43	79	accuracy	accuracy	NOUN
ap-1338	43	80	of	of	ADP
ap-1338	43	81	astrometry	astrometry	NOUN
ap-1338	43	82	10arcsec	10arcsec	NOUN
ap-1338	44	1	10arcsec	10arcsec	PROPN
ap-1338	44	2	#	#	NOUN
ap-1338	44	3	of	of	ADP
ap-1338	44	4	ccd	ccd	NOUN
ap-1338	44	5	cameras	camera	NOUN
ap-1338	44	6	2	2	NUM
ap-1338	44	7	2	2	NUM
ap-1338	44	8	×	×	NOUN
ap-1338	44	9	12	12	NUM
ap-1338	44	10	(	(	PUNCT
ap-1338	44	11	goal	goal	NOUN
ap-1338	44	12	2	2	NUM
ap-1338	44	13	×	×	NOUN
ap-1338	44	14	16	16	NUM
ap-1338	44	15	)	)	PUNCT
ap-1338	44	16	#	#	NOUN
ap-1338	44	17	of	of	ADP
ap-1338	44	18	mounts	mount	NOUN
ap-1338	44	19	1	1	NUM
ap-1338	44	20	2	2	NUM
ap-1338	44	21	×	×	NOUN
ap-1338	44	22	3	3	NUM
ap-1338	44	23	(	(	PUNCT
ap-1338	44	24	goal	goal	NOUN
ap-1338	44	25	2	2	NUM
ap-1338	44	26	×	×	NOUN
ap-1338	44	27	4	4	NUM
ap-1338	44	28	)	)	PUNCT
ap-1338	44	29	fig	fig	NOUN
ap-1338	44	30	.	.	PUNCT
ap-1338	45	1	1	1	NUM
ap-1338	45	2	:	:	PUNCT
ap-1338	45	3	basic	basic	ADJ
ap-1338	45	4	parameters	parameter	NOUN
ap-1338	45	5	of	of	ADP
ap-1338	45	6	“	"	PUNCT
ap-1338	45	7	pi	pi	NOUN
ap-1338	45	8	of	of	ADP
ap-1338	45	9	the	the	DET
ap-1338	45	10	sky	sky	NOUN
ap-1338	45	11	”	"	PUNCT
ap-1338	45	12	telescopes	telescope	NOUN
ap-1338	45	13	.	.	PUNCT
ap-1338	46	1	the	the	DET
ap-1338	46	2	image	image	NOUN
ap-1338	46	3	on	on	ADP
ap-1338	46	4	the	the	DET
ap-1338	46	5	left	left	NOUN
ap-1338	46	6	shows	show	VERB
ap-1338	46	7	the	the	DET
ap-1338	46	8	prototype	prototype	NOUN
ap-1338	46	9	system	system	NOUN
ap-1338	46	10	installed	instal	VERB
ap-1338	46	11	in	in	ADP
ap-1338	46	12	the	the	DET
ap-1338	46	13	las	las	PROPN
ap-1338	46	14	campanas	campanas	PROPN
ap-1338	46	15	observatory	observatory	NOUN
ap-1338	46	16	in	in	ADP
ap-1338	46	17	chile	chile	NOUN
ap-1338	46	18	between	between	ADP
ap-1338	46	19	2004	2004	NUM
ap-1338	46	20	and	and	CCONJ
ap-1338	46	21	2010	2010	NUM
ap-1338	46	22	of	of	ADP
ap-1338	46	23	the	the	DET
ap-1338	46	24	sky	sky	NOUN
ap-1338	46	25	”	"	PUNCT
ap-1338	46	26	system	system	NOUN
ap-1338	46	27	to	to	PART
ap-1338	46	28	observe	observe	VERB
ap-1338	46	29	and	and	CCONJ
ap-1338	46	30	automatically	automatically	ADV
ap-1338	46	31	discover	discover	VERB
ap-1338	46	32	objects	object	NOUN
ap-1338	46	33	in	in	ADP
ap-1338	46	34	the	the	DET
ap-1338	46	35	earth	earth	NOUN
ap-1338	46	36	’s	’s	PART
ap-1338	46	37	orbit	orbit	NOUN
ap-1338	46	38	(	(	PUNCT
ap-1338	46	39	satellites	satellite	NOUN
ap-1338	46	40	or	or	CCONJ
ap-1338	46	41	space	space	NOUN
ap-1338	46	42	debris	debris	NOUN
ap-1338	46	43	)	)	PUNCT
ap-1338	46	44	.	.	PUNCT
ap-1338	47	1	2	2	NUM
ap-1338	47	2	“	"	PUNCT
ap-1338	47	3	pi	pi	NOUN
ap-1338	47	4	of	of	ADP
ap-1338	47	5	the	the	DET
ap-1338	47	6	sky	sky	NOUN
ap-1338	47	7	”	"	PUNCT
ap-1338	47	8	system	system	NOUN
ap-1338	47	9	the	the	DET
ap-1338	47	10	“	"	PUNCT
ap-1338	47	11	pi	pi	NOUN
ap-1338	47	12	of	of	ADP
ap-1338	47	13	the	the	DET
ap-1338	47	14	sky	sky	NOUN
ap-1338	47	15	”	"	PUNCT
ap-1338	47	16	system	system	NOUN
ap-1338	47	17	[	[	X
ap-1338	47	18	3	3	NUM
ap-1338	47	19	,	,	PUNCT
ap-1338	47	20	4	4	NUM
ap-1338	47	21	]	]	PUNCT
ap-1338	47	22	was	be	AUX
ap-1338	47	23	originally	originally	ADV
ap-1338	47	24	designed	design	VERB
ap-1338	47	25	for	for	ADP
ap-1338	47	26	observing	observe	VERB
ap-1338	47	27	short	short	ADJ
ap-1338	47	28	timescale	timescale	ADJ
ap-1338	47	29	optical	optical	ADJ
ap-1338	47	30	events	event	NOUN
ap-1338	47	31	,	,	PUNCT
ap-1338	47	32	particularly	particularly	ADV
ap-1338	47	33	optical	optical	ADJ
ap-1338	47	34	counterparts	counterpart	NOUN
ap-1338	47	35	of	of	ADP
ap-1338	47	36	gammaray	gammaray	NOUN
ap-1338	47	37	bursts	burst	NOUN
ap-1338	47	38	(	(	PUNCT
ap-1338	47	39	grbs	grbs	PROPN
ap-1338	47	40	)	)	PUNCT
ap-1338	47	41	,	,	PUNCT
ap-1338	47	42	optical	optical	ADJ
ap-1338	47	43	transients	transient	NOUN
ap-1338	47	44	,	,	PUNCT
ap-1338	47	45	and	and	CCONJ
ap-1338	47	46	to	to	PART
ap-1338	47	47	monitor	monitor	VERB
ap-1338	47	48	variable	variable	ADJ
ap-1338	47	49	objects	object	NOUN
ap-1338	47	50	(	(	PUNCT
ap-1338	47	51	stars	star	NOUN
ap-1338	47	52	,	,	PUNCT
ap-1338	47	53	blazars	blazar	NOUN
ap-1338	47	54	etc	etc	X
ap-1338	47	55	.	.	PUNCT
ap-1338	47	56	)	)	PUNCT
ap-1338	47	57	.	.	PUNCT
ap-1338	48	1	the	the	DET
ap-1338	48	2	system	system	NOUN
ap-1338	48	3	is	be	AUX
ap-1338	48	4	remotely	remotely	ADV
ap-1338	48	5	controlled	control	VERB
ap-1338	48	6	,	,	PUNCT
ap-1338	48	7	fully	fully	ADV
ap-1338	48	8	automatic	automatic	ADJ
ap-1338	48	9	,	,	PUNCT
ap-1338	48	10	to	to	ADP
ap-1338	48	11	a	a	DET
ap-1338	48	12	large	large	ADJ
ap-1338	48	13	degree	degree	NOUN
ap-1338	48	14	autonomous	autonomous	ADJ
ap-1338	48	15	,	,	PUNCT
ap-1338	48	16	and	and	CCONJ
ap-1338	48	17	performs	perform	VERB
ap-1338	48	18	automatic	automatic	ADJ
ap-1338	48	19	data	datum	NOUN
ap-1338	48	20	analysis	analysis	NOUN
ap-1338	48	21	.	.	PUNCT
ap-1338	49	1	special	special	ADJ
ap-1338	49	2	algorithms	algorithm	NOUN
ap-1338	49	3	were	be	AUX
ap-1338	49	4	designed	design	VERB
ap-1338	49	5	and	and	CCONJ
ap-1338	49	6	developed	develop	VERB
ap-1338	49	7	in	in	ADP
ap-1338	49	8	order	order	NOUN
ap-1338	49	9	to	to	PART
ap-1338	49	10	automatically	automatically	ADV
ap-1338	49	11	discover	discover	VERB
ap-1338	49	12	optical	optical	ADJ
ap-1338	49	13	transients	transient	NOUN
ap-1338	49	14	and	and	CCONJ
ap-1338	49	15	discover	discover	VERB
ap-1338	49	16	new	new	ADJ
ap-1338	49	17	objects	object	NOUN
ap-1338	49	18	in	in	ADP
ap-1338	49	19	the	the	DET
ap-1338	49	20	sky	sky	NOUN
ap-1338	50	1	[	[	X
ap-1338	50	2	5	5	NUM
ap-1338	50	3	,	,	PUNCT
ap-1338	50	4	6	6	NUM
ap-1338	50	5	,	,	PUNCT
ap-1338	50	6	4	4	NUM
ap-1338	50	7	]	]	PUNCT
ap-1338	50	8	.	.	PUNCT
ap-1338	51	1	the	the	DET
ap-1338	51	2	final	final	ADJ
ap-1338	51	3	version	version	NOUN
ap-1338	51	4	of	of	ADP
ap-1338	51	5	the	the	DET
ap-1338	51	6	system	system	NOUN
ap-1338	51	7	is	be	AUX
ap-1338	51	8	currently	currently	ADV
ap-1338	51	9	under	under	ADP
ap-1338	51	10	construction	construction	NOUN
ap-1338	51	11	.	.	PUNCT
ap-1338	52	1	the	the	DET
ap-1338	52	2	prototype	prototype	NOUN
ap-1338	52	3	system	system	NOUN
ap-1338	52	4	was	be	AUX
ap-1338	52	5	installed	instal	VERB
ap-1338	52	6	in	in	ADP
ap-1338	52	7	the	the	DET
ap-1338	52	8	las	las	PROPN
ap-1338	52	9	campanas	campanas	PROPN
ap-1338	52	10	observatory	observatory	NOUN
ap-1338	52	11	in	in	ADP
ap-1338	52	12	chile	chile	PROPN
ap-1338	52	13	(	(	PUNCT
ap-1338	52	14	figure	figure	NOUN
ap-1338	52	15	1	1	NUM
ap-1338	52	16	)	)	PUNCT
ap-1338	52	17	between	between	ADP
ap-1338	52	18	2004	2004	NUM
ap-1338	52	19	and	and	CCONJ
ap-1338	52	20	2010	2010	NUM
ap-1338	52	21	.	.	PUNCT
ap-1338	53	1	the	the	DET
ap-1338	53	2	prototype	prototype	NOUN
ap-1338	53	3	consists	consist	VERB
ap-1338	53	4	of	of	ADP
ap-1338	53	5	two	two	NUM
ap-1338	53	6	cameras	camera	NOUN
ap-1338	53	7	,	,	PUNCT
ap-1338	53	8	which	which	PRON
ap-1338	53	9	observe	observe	VERB
ap-1338	53	10	the	the	DET
ap-1338	53	11	same	same	ADJ
ap-1338	53	12	field	field	NOUN
ap-1338	53	13	in	in	ADP
ap-1338	53	14	the	the	DET
ap-1338	53	15	sky	sky	NOUN
ap-1338	53	16	and	and	CCONJ
ap-1338	53	17	collect	collect	VERB
ap-1338	53	18	images	image	NOUN
ap-1338	53	19	in	in	ADP
ap-1338	53	20	synchronized	synchronize	VERB
ap-1338	53	21	mode	mode	NOUN
ap-1338	53	22	.	.	PUNCT
ap-1338	54	1	besides	besides	SCONJ
ap-1338	54	2	its	its	PRON
ap-1338	54	3	primary	primary	ADJ
ap-1338	54	4	scientific	scientific	ADJ
ap-1338	54	5	goals	goal	NOUN
ap-1338	54	6	,	,	PUNCT
ap-1338	54	7	the	the	DET
ap-1338	54	8	data	datum	NOUN
ap-1338	54	9	from	from	ADP
ap-1338	54	10	the	the	DET
ap-1338	54	11	prototype	prototype	NOUN
ap-1338	54	12	has	have	AUX
ap-1338	54	13	allowed	allow	VERB
ap-1338	54	14	to	to	PART
ap-1338	54	15	study	study	VERB
ap-1338	54	16	the	the	DET
ap-1338	54	17	potential	potential	NOUN
ap-1338	54	18	of	of	ADP
ap-1338	54	19	the	the	DET
ap-1338	54	20	system	system	NOUN
ap-1338	54	21	for	for	ADP
ap-1338	54	22	discovering	discover	VERB
ap-1338	54	23	and	and	CCONJ
ap-1338	54	24	identifying	identify	VERB
ap-1338	54	25	space	space	NOUN
ap-1338	54	26	debris	debris	NOUN
ap-1338	54	27	.	.	PUNCT
ap-1338	55	1	the	the	DET
ap-1338	55	2	final	final	ADJ
ap-1338	55	3	system	system	NOUN
ap-1338	55	4	will	will	AUX
ap-1338	55	5	have	have	VERB
ap-1338	55	6	a	a	DET
ap-1338	55	7	substantially	substantially	ADV
ap-1338	55	8	larger	large	ADJ
ap-1338	55	9	fov	fov	NOUN
ap-1338	55	10	(	(	PUNCT
ap-1338	55	11	the	the	DET
ap-1338	55	12	final	final	ADJ
ap-1338	55	13	goal	goal	NOUN
ap-1338	55	14	is	be	AUX
ap-1338	55	15	2	2	NUM
ap-1338	55	16	steradians	steradian	NOUN
ap-1338	55	17	)	)	PUNCT
ap-1338	55	18	,	,	PUNCT
ap-1338	55	19	which	which	PRON
ap-1338	55	20	will	will	AUX
ap-1338	55	21	allow	allow	VERB
ap-1338	55	22	the	the	DET
ap-1338	55	23	system	system	NOUN
ap-1338	55	24	to	to	PART
ap-1338	55	25	look	look	VERB
ap-1338	55	26	for	for	ADP
ap-1338	55	27	new	new	ADJ
ap-1338	55	28	pieces	piece	NOUN
ap-1338	55	29	of	of	ADP
ap-1338	55	30	space	space	NOUN
ap-1338	55	31	debris	debris	NOUN
ap-1338	55	32	more	more	ADV
ap-1338	55	33	effectively	effectively	ADV
ap-1338	55	34	(	(	PUNCT
ap-1338	55	35	more	more	ADJ
ap-1338	55	36	information	information	NOUN
ap-1338	55	37	can	can	AUX
ap-1338	55	38	be	be	AUX
ap-1338	55	39	found	find	VERB
ap-1338	55	40	in	in	ADP
ap-1338	55	41	[	[	X
ap-1338	55	42	3	3	NUM
ap-1338	55	43	]	]	NUM
ap-1338	55	44	)	)	PUNCT
ap-1338	55	45	.	.	PUNCT
ap-1338	56	1	the	the	DET
ap-1338	56	2	data	datum	NOUN
ap-1338	56	3	from	from	ADP
ap-1338	56	4	the	the	DET
ap-1338	56	5	prototype	prototype	NOUN
ap-1338	56	6	verified	verify	VERB
ap-1338	56	7	the	the	DET
ap-1338	56	8	system	system	NOUN
ap-1338	56	9	capabilities	capability	NOUN
ap-1338	56	10	,	,	PUNCT
ap-1338	56	11	and	and	CCONJ
ap-1338	56	12	further	far	ADV
ap-1338	56	13	developed	develop	VERB
ap-1338	56	14	the	the	DET
ap-1338	56	15	algorithms	algorithm	NOUN
ap-1338	56	16	and	and	CCONJ
ap-1338	56	17	software	software	NOUN
ap-1338	56	18	tools	tool	NOUN
ap-1338	56	19	for	for	ADP
ap-1338	56	20	space	space	NOUN
ap-1338	56	21	debris	debris	NOUN
ap-1338	56	22	oriented	orient	VERB
ap-1338	56	23	analysis	analysis	NOUN
ap-1338	56	24	.	.	PUNCT
ap-1338	57	1	figure	figure	NOUN
ap-1338	57	2	1	1	NUM
ap-1338	57	3	gives	give	VERB
ap-1338	57	4	a	a	DET
ap-1338	57	5	summary	summary	NOUN
ap-1338	57	6	of	of	ADP
ap-1338	57	7	the	the	DET
ap-1338	57	8	parameters	parameter	NOUN
ap-1338	57	9	of	of	ADP
ap-1338	57	10	the	the	DET
ap-1338	57	11	prototype	prototype	NOUN
ap-1338	57	12	and	and	CCONJ
ap-1338	57	13	the	the	DET
ap-1338	57	14	full	full	ADJ
ap-1338	57	15	version	version	NOUN
ap-1338	57	16	of	of	ADP
ap-1338	57	17	the	the	DET
ap-1338	57	18	system	system	NOUN
ap-1338	57	19	.	.	PUNCT
ap-1338	58	1	3	3	NUM
ap-1338	58	2	satellites	satellite	NOUN
ap-1338	58	3	in	in	ADP
ap-1338	58	4	“	"	PUNCT
ap-1338	58	5	pi	pi	NOUN
ap-1338	58	6	of	of	ADP
ap-1338	58	7	the	the	DET
ap-1338	58	8	sky	sky	NOUN
ap-1338	58	9	”	"	PUNCT
ap-1338	58	10	data	datum	NOUN
ap-1338	58	11	the	the	DET
ap-1338	58	12	algorithms	algorithm	NOUN
ap-1338	58	13	designed	design	VERB
ap-1338	58	14	for	for	ADP
ap-1338	58	15	identifying	identify	VERB
ap-1338	58	16	the	the	DET
ap-1338	58	17	short	short	ADJ
ap-1338	58	18	optical	optical	ADJ
ap-1338	58	19	transients	transient	NOUN
ap-1338	58	20	in	in	ADP
ap-1338	58	21	the	the	DET
ap-1338	58	22	“	"	PUNCT
ap-1338	58	23	pi	pi	NOUN
ap-1338	58	24	of	of	ADP
ap-1338	58	25	the	the	DET
ap-1338	58	26	sky	sky	NOUN
ap-1338	58	27	”	"	PUNCT
ap-1338	58	28	data	datum	NOUN
ap-1338	58	29	are	be	AUX
ap-1338	58	30	described	describe	VERB
ap-1338	58	31	in	in	ADP
ap-1338	58	32	detail	detail	NOUN
ap-1338	58	33	in	in	ADP
ap-1338	58	34	[	[	X
ap-1338	58	35	6	6	NUM
ap-1338	58	36	]	]	PUNCT
ap-1338	58	37	.	.	PUNCT
ap-1338	59	1	the	the	DET
ap-1338	59	2	on	on	ADP
ap-1338	59	3	-	-	PUNCT
ap-1338	59	4	line	line	NOUN
ap-1338	59	5	algorithm	algorithm	NOUN
ap-1338	59	6	analyses	analyse	VERB
ap-1338	59	7	images	image	NOUN
ap-1338	59	8	while	while	SCONJ
ap-1338	59	9	they	they	PRON
ap-1338	59	10	are	be	AUX
ap-1338	59	11	being	be	AUX
ap-1338	59	12	collected	collect	VERB
ap-1338	59	13	by	by	ADP
ap-1338	59	14	the	the	DET
ap-1338	59	15	camera	camera	NOUN
ap-1338	59	16	,	,	PUNCT
ap-1338	59	17	and	and	CCONJ
ap-1338	59	18	looks	look	VERB
ap-1338	59	19	for	for	ADP
ap-1338	59	20	new	new	ADJ
ap-1338	59	21	objects	object	NOUN
ap-1338	59	22	appearing	appear	VERB
ap-1338	59	23	in	in	ADP
ap-1338	59	24	the	the	DET
ap-1338	59	25	sky	sky	NOUN
ap-1338	59	26	.	.	PUNCT
ap-1338	60	1	in	in	ADP
ap-1338	60	2	the	the	DET
ap-1338	60	3	first	first	ADJ
ap-1338	60	4	step	step	NOUN
ap-1338	60	5	,	,	PUNCT
ap-1338	60	6	the	the	DET
ap-1338	60	7	algorithm	algorithm	NOUN
ap-1338	60	8	finds	find	VERB
ap-1338	60	9	objects	object	NOUN
ap-1338	60	10	which	which	PRON
ap-1338	60	11	appear	appear	VERB
ap-1338	60	12	in	in	ADP
ap-1338	60	13	the	the	DET
ap-1338	60	14	new	new	ADJ
ap-1338	60	15	image	image	NOUN
ap-1338	60	16	,	,	PUNCT
ap-1338	60	17	but	but	CCONJ
ap-1338	60	18	were	be	AUX
ap-1338	60	19	not	not	PART
ap-1338	60	20	present	present	ADJ
ap-1338	60	21	in	in	ADP
ap-1338	60	22	previous	previous	ADJ
ap-1338	60	23	images	image	NOUN
ap-1338	60	24	.	.	PUNCT
ap-1338	61	1	after	after	ADP
ap-1338	61	2	this	this	DET
ap-1338	61	3	step	step	NOUN
ap-1338	61	4	,	,	PUNCT
ap-1338	61	5	a	a	DET
ap-1338	61	6	list	list	NOUN
ap-1338	61	7	of	of	ADP
ap-1338	61	8	flash	flash	NOUN
ap-1338	61	9	candidates	candidate	NOUN
ap-1338	61	10	is	be	AUX
ap-1338	61	11	created	create	VERB
ap-1338	61	12	,	,	PUNCT
ap-1338	61	13	then	then	ADV
ap-1338	61	14	further	further	ADJ
ap-1338	61	15	cuts	cut	NOUN
ap-1338	61	16	are	be	AUX
ap-1338	61	17	applied	apply	VERB
ap-1338	61	18	in	in	ADP
ap-1338	61	19	order	order	NOUN
ap-1338	61	20	to	to	PART
ap-1338	61	21	reject	reject	VERB
ap-1338	61	22	the	the	DET
ap-1338	61	23	background	background	NOUN
ap-1338	61	24	(	(	PUNCT
ap-1338	61	25	mostly	mostly	ADV
ap-1338	61	26	cosmic	cosmic	ADJ
ap-1338	61	27	rays	ray	NOUN
ap-1338	61	28	hits	hit	VERB
ap-1338	61	29	,	,	PUNCT
ap-1338	61	30	hot	hot	ADJ
ap-1338	61	31	pixels	pixel	NOUN
ap-1338	61	32	,	,	PUNCT
ap-1338	61	33	sky	sky	NOUN
ap-1338	61	34	background	background	NOUN
ap-1338	61	35	,	,	PUNCT
ap-1338	61	36	star	star	NOUN
ap-1338	61	37	fluctuations	fluctuation	NOUN
ap-1338	61	38	etc	etc	X
ap-1338	61	39	.	.	PUNCT
ap-1338	61	40	)	)	PUNCT
ap-1338	61	41	.	.	PUNCT
ap-1338	62	1	one	one	NUM
ap-1338	62	2	of	of	ADP
ap-1338	62	3	the	the	DET
ap-1338	62	4	most	most	ADV
ap-1338	62	5	important	important	ADJ
ap-1338	62	6	cuts	cut	NOUN
ap-1338	62	7	at	at	ADP
ap-1338	62	8	this	this	DET
ap-1338	62	9	stage	stage	NOUN
ap-1338	62	10	is	be	AUX
ap-1338	62	11	the	the	DET
ap-1338	62	12	coincidence	coincidence	NOUN
ap-1338	62	13	of	of	ADP
ap-1338	62	14	two	two	NUM
ap-1338	62	15	cameras	camera	NOUN
ap-1338	62	16	,	,	PUNCT
ap-1338	62	17	requiring	require	VERB
ap-1338	62	18	the	the	DET
ap-1338	62	19	optical	optical	ADJ
ap-1338	62	20	transient	transient	NOUN
ap-1338	62	21	to	to	PART
ap-1338	62	22	be	be	AUX
ap-1338	62	23	visible	visible	ADJ
ap-1338	62	24	in	in	ADP
ap-1338	62	25	two	two	NUM
ap-1338	62	26	cameras	camera	NOUN
ap-1338	62	27	.	.	PUNCT
ap-1338	63	1	this	this	DET
ap-1338	63	2	cut	cut	NOUN
ap-1338	63	3	eliminates	eliminate	VERB
ap-1338	63	4	cosmic	cosmic	ADJ
ap-1338	63	5	rays	ray	NOUN
ap-1338	63	6	striking	strike	VERB
ap-1338	63	7	one	one	NUM
ap-1338	63	8	of	of	ADP
ap-1338	63	9	the	the	DET
ap-1338	63	10	ccd	ccd	NOUN
ap-1338	63	11	chips	chip	NOUN
ap-1338	63	12	.	.	PUNCT
ap-1338	64	1	after	after	ADP
ap-1338	64	2	the	the	DET
ap-1338	64	3	coincidence	coincidence	NOUN
ap-1338	64	4	cut	cut	NOUN
ap-1338	64	5	,	,	PUNCT
ap-1338	64	6	a	a	DET
ap-1338	64	7	list	list	NOUN
ap-1338	64	8	of	of	ADP
ap-1338	64	9	real	real	ADJ
ap-1338	64	10	flashes	flash	NOUN
ap-1338	64	11	from	from	ADP
ap-1338	64	12	the	the	DET
ap-1338	64	13	sky	sky	NOUN
ap-1338	64	14	is	be	AUX
ap-1338	64	15	obtained	obtain	VERB
ap-1338	64	16	.	.	PUNCT
ap-1338	65	1	most	most	ADJ
ap-1338	65	2	of	of	ADP
ap-1338	65	3	them	they	PRON
ap-1338	65	4	are	be	AUX
ap-1338	65	5	due	due	ADJ
ap-1338	65	6	to	to	ADP
ap-1338	65	7	moving	move	VERB
ap-1338	65	8	objects	object	NOUN
ap-1338	65	9	,	,	PUNCT
ap-1338	65	10	e.g.	e.g.	ADV
ap-1338	65	11	planes	plane	NOUN
ap-1338	65	12	,	,	PUNCT
ap-1338	65	13	satellites	satellite	NOUN
ap-1338	65	14	,	,	PUNCT
ap-1338	65	15	and	and	CCONJ
ap-1338	65	16	perhaps	perhaps	ADV
ap-1338	65	17	space	space	NOUN
ap-1338	65	18	debris	debris	NOUN
ap-1338	65	19	elements	element	NOUN
ap-1338	65	20	.	.	PUNCT
ap-1338	66	1	the	the	DET
ap-1338	66	2	primary	primary	ADJ
ap-1338	66	3	goal	goal	NOUN
ap-1338	66	4	of	of	ADP
ap-1338	66	5	the	the	DET
ap-1338	66	6	algorithm	algorithm	NOUN
ap-1338	66	7	is	be	AUX
ap-1338	66	8	to	to	PART
ap-1338	66	9	identify	identify	VERB
ap-1338	66	10	ots	ots	PROPN
ap-1338	66	11	from	from	ADP
ap-1338	66	12	natural	natural	ADJ
ap-1338	66	13	astrophysical	astrophysical	ADJ
ap-1338	66	14	sources	source	NOUN
ap-1338	66	15	,	,	PUNCT
ap-1338	66	16	so	so	SCONJ
ap-1338	66	17	such	such	ADJ
ap-1338	66	18	objects	object	NOUN
ap-1338	66	19	must	must	AUX
ap-1338	66	20	be	be	AUX
ap-1338	66	21	identified	identify	VERB
ap-1338	66	22	,	,	PUNCT
ap-1338	66	23	flagged	flag	VERB
ap-1338	66	24	,	,	PUNCT
ap-1338	66	25	excluded	exclude	VERB
ap-1338	66	26	from	from	ADP
ap-1338	66	27	the	the	DET
ap-1338	66	28	sample	sample	NOUN
ap-1338	66	29	of	of	ADP
ap-1338	66	30	ot	ot	NOUN
ap-1338	66	31	candidates	candidate	NOUN
ap-1338	66	32	,	,	PUNCT
ap-1338	66	33	and	and	CCONJ
ap-1338	66	34	saved	save	VERB
ap-1338	66	35	to	to	PART
ap-1338	66	36	log	log	VERB
ap-1338	66	37	files	file	NOUN
ap-1338	66	38	.	.	PUNCT
ap-1338	67	1	then	then	ADV
ap-1338	67	2	another	another	DET
ap-1338	67	3	algorithm	algorithm	NOUN
ap-1338	67	4	can	can	AUX
ap-1338	67	5	simply	simply	ADV
ap-1338	67	6	be	be	AUX
ap-1338	67	7	used	use	VERB
ap-1338	67	8	to	to	PART
ap-1338	67	9	analyze	analyze	VERB
ap-1338	67	10	the	the	DET
ap-1338	67	11	objects	object	NOUN
ap-1338	67	12	in	in	ADP
ap-1338	67	13	detail	detail	NOUN
ap-1338	67	14	and	and	CCONJ
ap-1338	67	15	look	look	VERB
ap-1338	67	16	for	for	ADP
ap-1338	67	17	space	space	NOUN
ap-1338	67	18	debris	debris	NOUN
ap-1338	67	19	elements	element	NOUN
ap-1338	67	20	.	.	PUNCT
ap-1338	68	1	in	in	ADP
ap-1338	68	2	order	order	NOUN
ap-1338	68	3	to	to	PART
ap-1338	68	4	reject	reject	VERB
ap-1338	68	5	most	most	ADJ
ap-1338	68	6	of	of	ADP
ap-1338	68	7	these	these	DET
ap-1338	68	8	events	event	NOUN
ap-1338	68	9	,	,	PUNCT
ap-1338	68	10	databases	database	NOUN
ap-1338	68	11	of	of	ADP
ap-1338	68	12	orbital	orbital	ADJ
ap-1338	68	13	elements	element	NOUN
ap-1338	68	14	in	in	ADP
ap-1338	68	15	two	two	NUM
ap-1338	68	16	lines	line	NOUN
ap-1338	68	17	element	element	NOUN
ap-1338	68	18	(	(	PUNCT
ap-1338	68	19	tle	tle	ADJ
ap-1338	68	20	)	)	PUNCT
ap-1338	68	21	format	format	NOUN
ap-1338	68	22	are	be	AUX
ap-1338	68	23	retrieved	retrieve	VERB
ap-1338	68	24	from	from	ADP
ap-1338	68	25	the	the	DET
ap-1338	68	26	internet	internet	NOUN
ap-1338	68	27	(	(	PUNCT
ap-1338	68	28	mainly	mainly	ADV
ap-1338	68	29	from	from	ADP
ap-1338	68	30	the	the	DET
ap-1338	68	31	norad	norad	ADJ
ap-1338	68	32	website	website	NOUN
ap-1338	68	33	)	)	PUNCT
ap-1338	68	34	every	every	DET
ap-1338	68	35	evening	evening	NOUN
ap-1338	68	36	.	.	PUNCT
ap-1338	69	1	they	they	PRON
ap-1338	69	2	are	be	AUX
ap-1338	69	3	combined	combine	VERB
ap-1338	69	4	into	into	ADP
ap-1338	69	5	a	a	DET
ap-1338	69	6	single	single	ADJ
ap-1338	69	7	large	large	ADJ
ap-1338	69	8	database	database	NOUN
ap-1338	69	9	containing	contain	VERB
ap-1338	69	10	≈	≈	PROPN
ap-1338	69	11	13	13	NUM
ap-1338	69	12	000	000	NUM
ap-1338	70	1	or104	or104	PROPN
ap-1338	70	2	acta	acta	PROPN
ap-1338	70	3	polytechnica	polytechnica	PROPN
ap-1338	70	4	vol	vol	NOUN
ap-1338	70	5	.	.	PUNCT
ap-1338	71	1	51	51	NUM
ap-1338	71	2	no	no	NOUN
ap-1338	71	3	.	.	PUNCT
ap-1338	72	1	2/2011	2/2011	NUM
ap-1338	72	2	distance	distance	NOUN
ap-1338	72	3	to	to	ADP
ap-1338	72	4	closest	close	ADJ
ap-1338	72	5	satellite	satellite	NOUN
ap-1338	72	6	entries	entry	NOUN
ap-1338	72	7	9660	9660	NUM
ap-1338	72	8	mean	mean	VERB
ap-1338	72	9	8346	8346	NUM
ap-1338	72	10	rms	rm	VERB
ap-1338	72	11	4750	4750	NUM
ap-1338	72	12	distance	distance	NOUN
ap-1338	72	13	from	from	ADP
ap-1338	72	14	event	event	NOUN
ap-1338	72	15	to	to	ADP
ap-1338	72	16	closest	close	ADJ
ap-1338	72	17	satellite	satellite	NOUN
ap-1338	72	18	[	[	X
ap-1338	72	19	arcsec	arcsec	X
ap-1338	72	20	]	]	X
ap-1338	72	21	0	0	NUM
ap-1338	72	22	2000	2000	NUM
ap-1338	72	23	4000	4000	NUM
ap-1338	72	24	6000	6000	NUM
ap-1338	72	25	8000	8000	NUM
ap-1338	72	26	10000	10000	NUM
ap-1338	72	27	12000	12000	NUM
ap-1338	72	28	14000	14000	NUM
ap-1338	72	29	16000	16000	NUM
ap-1338	72	30	18000	18000	NUM
ap-1338	72	31	n	n	CCONJ
ap-1338	72	32	u	u	PROPN
ap-1338	72	33	m	m	NOUN
ap-1338	72	34	b	b	NOUN
ap-1338	72	35	er	er	INTJ
ap-1338	72	36	o	o	X
ap-1338	72	37	f	f	X
ap-1338	72	38	ev	ev	X
ap-1338	72	39	en	en	X
ap-1338	72	40	ts	ts	ADP
ap-1338	72	41	210	210	NUM
ap-1338	72	42	distance	distance	NOUN
ap-1338	72	43	to	to	ADP
ap-1338	72	44	closest	close	ADJ
ap-1338	72	45	satellite	satellite	NOUN
ap-1338	72	46	entries	entry	NOUN
ap-1338	72	47	9660	9660	NUM
ap-1338	72	48	mean	mean	VERB
ap-1338	72	49	8346	8346	NUM
ap-1338	72	50	rms	rm	NOUN
ap-1338	72	51	4750	4750	NUM
ap-1338	72	52	=	=	SYM
ap-1338	72	53	1800’’satr	1800’’satr	NUM
ap-1338	72	54	night	night	NOUN
ap-1338	72	55	20070526	20070526	NUM
ap-1338	72	56	mc	mc	PROPN
ap-1338	72	57	distance	distance	NOUN
ap-1338	72	58	to	to	ADP
ap-1338	72	59	closest	close	ADJ
ap-1338	72	60	satellite	satellite	NOUN
ap-1338	72	61	:	:	PUNCT
ap-1338	72	62	night	night	NOUN
ap-1338	72	63	20070526	20070526	NUM
ap-1338	72	64	and	and	CCONJ
ap-1338	72	65	mc	mc	PROPN
ap-1338	72	66	fig	fig	PROPN
ap-1338	72	67	.	.	PUNCT
ap-1338	73	1	2	2	NUM
ap-1338	73	2	:	:	PUNCT
ap-1338	73	3	the	the	DET
ap-1338	73	4	image	image	NOUN
ap-1338	73	5	on	on	ADP
ap-1338	73	6	the	the	DET
ap-1338	73	7	left	left	NOUN
ap-1338	73	8	shows	show	VERB
ap-1338	73	9	the	the	DET
ap-1338	73	10	distribution	distribution	NOUN
ap-1338	73	11	of	of	ADP
ap-1338	73	12	the	the	DET
ap-1338	73	13	distance	distance	NOUN
ap-1338	73	14	from	from	ADP
ap-1338	73	15	a	a	DET
ap-1338	73	16	flash	flash	NOUN
ap-1338	73	17	event	event	NOUN
ap-1338	73	18	candidate	candidate	NOUN
ap-1338	73	19	to	to	ADP
ap-1338	73	20	the	the	DET
ap-1338	73	21	closest	close	ADJ
ap-1338	73	22	satellite	satellite	NOUN
ap-1338	73	23	from	from	ADP
ap-1338	73	24	the	the	DET
ap-1338	73	25	catalog	catalog	NOUN
ap-1338	73	26	,	,	PUNCT
ap-1338	73	27	for	for	ADP
ap-1338	73	28	events	event	NOUN
ap-1338	73	29	found	find	VERB
ap-1338	73	30	by	by	ADP
ap-1338	73	31	the	the	DET
ap-1338	73	32	coincidence	coincidence	NOUN
ap-1338	73	33	algorithm	algorithm	NOUN
ap-1338	73	34	during	during	ADP
ap-1338	73	35	night	night	NOUN
ap-1338	73	36	of	of	ADP
ap-1338	73	37	2007.05.26/27	2007.05.26/27	PROPN
ap-1338	73	38	.	.	PUNCT
ap-1338	74	1	for	for	ADP
ap-1338	74	2	comparison	comparison	NOUN
ap-1338	74	3	,	,	PUNCT
ap-1338	74	4	distances	distance	NOUN
ap-1338	74	5	from	from	ADP
ap-1338	74	6	randomly	randomly	ADV
ap-1338	74	7	generated	generate	VERB
ap-1338	74	8	flashes	flash	NOUN
ap-1338	74	9	to	to	ADP
ap-1338	74	10	the	the	DET
ap-1338	74	11	nearest	near	ADJ
ap-1338	74	12	satellite	satellite	NOUN
ap-1338	74	13	are	be	AUX
ap-1338	74	14	shown	show	VERB
ap-1338	74	15	as	as	ADP
ap-1338	74	16	red	red	ADJ
ap-1338	74	17	dots	dot	NOUN
ap-1338	74	18	—	—	PUNCT
ap-1338	74	19	the	the	DET
ap-1338	74	20	combinatorial	combinatorial	ADJ
ap-1338	74	21	background	background	NOUN
ap-1338	74	22	is	be	AUX
ap-1338	74	23	nicely	nicely	ADV
ap-1338	74	24	reproduced	reproduce	VERB
ap-1338	74	25	.	.	PUNCT
ap-1338	75	1	for	for	ADP
ap-1338	75	2	the	the	DET
ap-1338	75	3	purposes	purpose	NOUN
ap-1338	75	4	of	of	ADP
ap-1338	75	5	this	this	DET
ap-1338	75	6	analysis	analysis	NOUN
ap-1338	75	7	,	,	PUNCT
ap-1338	75	8	the	the	DET
ap-1338	75	9	signal	signal	ADJ
ap-1338	75	10	threshold	threshold	NOUN
ap-1338	75	11	was	be	AUX
ap-1338	75	12	decreased	decrease	VERB
ap-1338	75	13	to	to	PART
ap-1338	75	14	have	have	VERB
ap-1338	75	15	more	more	ADJ
ap-1338	75	16	accidental	accidental	ADJ
ap-1338	75	17	coincidences	coincidence	NOUN
ap-1338	75	18	.	.	PUNCT
ap-1338	76	1	the	the	DET
ap-1338	76	2	image	image	NOUN
ap-1338	76	3	on	on	ADP
ap-1338	76	4	the	the	DET
ap-1338	76	5	right	right	NOUN
ap-1338	76	6	shows	show	VERB
ap-1338	76	7	the	the	DET
ap-1338	76	8	distribution	distribution	NOUN
ap-1338	76	9	of	of	ADP
ap-1338	76	10	the	the	DET
ap-1338	76	11	distances	distance	NOUN
ap-1338	76	12	from	from	ADP
ap-1338	76	13	real	real	ADJ
ap-1338	76	14	data	datum	NOUN
ap-1338	76	15	zoomed	zoom	VERB
ap-1338	76	16	in	in	ADP
ap-1338	76	17	the	the	DET
ap-1338	76	18	range	range	NOUN
ap-1338	76	19	[	[	X
ap-1338	76	20	0	0	NUM
ap-1338	76	21	,	,	PUNCT
ap-1338	76	22	3000	3000	NUM
ap-1338	76	23	]	]	PUNCT
ap-1338	76	24	arc	arc	NOUN
ap-1338	76	25	sec	sec	PROPN
ap-1338	76	26	only	only	ADJ
ap-1338	76	27	fig	fig	NOUN
ap-1338	76	28	.	.	PUNCT
ap-1338	77	1	3	3	NUM
ap-1338	77	2	:	:	SYM
ap-1338	77	3	five	five	NUM
ap-1338	77	4	subsequent	subsequent	ADJ
ap-1338	77	5	10s	10	NOUN
ap-1338	77	6	exposures	exposure	NOUN
ap-1338	77	7	showing	show	VERB
ap-1338	77	8	fast	fast	ADJ
ap-1338	77	9	,	,	PUNCT
ap-1338	77	10	low	low	ADJ
ap-1338	77	11	orbit	orbit	NOUN
ap-1338	77	12	satellite	satellite	NOUN
ap-1338	77	13	sl-12	sl-12	NOUN
ap-1338	77	14	observed	observe	VERB
ap-1338	77	15	by	by	ADP
ap-1338	77	16	the	the	DET
ap-1338	77	17	“	"	PUNCT
ap-1338	77	18	pi	pi	NOUN
ap-1338	77	19	of	of	ADP
ap-1338	77	20	the	the	DET
ap-1338	77	21	sky	sky	NOUN
ap-1338	77	22	”	"	PUNCT
ap-1338	77	23	prototype	prototype	NOUN
ap-1338	77	24	fig	fig	NOUN
ap-1338	77	25	.	.	PUNCT
ap-1338	78	1	4	4	NUM
ap-1338	78	2	:	:	SYM
ap-1338	78	3	five	five	NUM
ap-1338	78	4	successive	successive	ADJ
ap-1338	78	5	10s	10	NOUN
ap-1338	78	6	exposures	exposure	NOUN
ap-1338	78	7	showing	show	VERB
ap-1338	78	8	geostationary	geostationary	ADJ
ap-1338	78	9	satellite	satellite	NOUN
ap-1338	78	10	xm-4	xm-4	NUM
ap-1338	78	11	blues	blue	NOUN
ap-1338	78	12	observed	observe	VERB
ap-1338	78	13	by	by	ADP
ap-1338	78	14	the	the	DET
ap-1338	78	15	“	"	PUNCT
ap-1338	78	16	pi	pi	NOUN
ap-1338	78	17	of	of	ADP
ap-1338	78	18	the	the	DET
ap-1338	78	19	sky	sky	NOUN
ap-1338	78	20	”	"	PUNCT
ap-1338	78	21	prototype	prototype	NOUN
ap-1338	78	22	.	.	PUNCT
ap-1338	79	1	the	the	DET
ap-1338	79	2	satellite	satellite	NOUN
ap-1338	79	3	is	be	AUX
ap-1338	79	4	a	a	DET
ap-1338	79	5	large	large	ADJ
ap-1338	79	6	object	object	NOUN
ap-1338	79	7	,	,	PUNCT
ap-1338	79	8	with	with	ADP
ap-1338	79	9	solar	solar	ADJ
ap-1338	79	10	panels	panel	NOUN
ap-1338	79	11	exceeding	exceed	VERB
ap-1338	79	12	10	10	NUM
ap-1338	79	13	m	m	NOUN
ap-1338	79	14	bital	bital	ADJ
ap-1338	79	15	elements	element	NOUN
ap-1338	79	16	.	.	PUNCT
ap-1338	80	1	for	for	ADP
ap-1338	80	2	each	each	DET
ap-1338	80	3	image	image	NOUN
ap-1338	80	4	,	,	PUNCT
ap-1338	80	5	the	the	DET
ap-1338	80	6	positions	position	NOUN
ap-1338	80	7	of	of	ADP
ap-1338	80	8	all	all	DET
ap-1338	80	9	satellites	satellite	NOUN
ap-1338	80	10	in	in	ADP
ap-1338	80	11	the	the	DET
ap-1338	80	12	database	database	NOUN
ap-1338	80	13	are	be	AUX
ap-1338	80	14	calculated	calculate	VERB
ap-1338	80	15	(	(	PUNCT
ap-1338	80	16	using	use	VERB
ap-1338	80	17	the	the	DET
ap-1338	80	18	predict	predict	ADJ
ap-1338	80	19	package	package	NOUN
ap-1338	80	20	[	[	X
ap-1338	80	21	7	7	NUM
ap-1338	80	22	]	]	NUM
ap-1338	80	23	)	)	PUNCT
ap-1338	80	24	,	,	PUNCT
ap-1338	80	25	each	each	DET
ap-1338	80	26	flash	flash	NOUN
ap-1338	80	27	candidate	candidate	NOUN
ap-1338	80	28	is	be	AUX
ap-1338	80	29	verified	verify	VERB
ap-1338	80	30	and	and	CCONJ
ap-1338	80	31	,	,	PUNCT
ap-1338	80	32	if	if	SCONJ
ap-1338	80	33	it	it	PRON
ap-1338	80	34	is	be	AUX
ap-1338	80	35	closer	close	ADJ
ap-1338	80	36	than	than	ADP
ap-1338	80	37	rsat	rsat	ADJ
ap-1338	80	38	=	=	SYM
ap-1338	80	39	1	1	NUM
ap-1338	80	40	000	000	NUM
ap-1338	80	41	arc	arc	NOUN
ap-1338	80	42	sec	sec	PROPN
ap-1338	80	43	from	from	ADP
ap-1338	80	44	any	any	PRON
ap-1338	80	45	of	of	ADP
ap-1338	80	46	the	the	DET
ap-1338	80	47	satellites	satellite	NOUN
ap-1338	80	48	,	,	PUNCT
ap-1338	80	49	it	it	PRON
ap-1338	80	50	is	be	AUX
ap-1338	80	51	flagged	flag	VERB
ap-1338	80	52	and	and	CCONJ
ap-1338	80	53	excluded	exclude	VERB
ap-1338	80	54	from	from	ADP
ap-1338	80	55	further	further	ADJ
ap-1338	80	56	ot	ot	NOUN
ap-1338	80	57	analysis	analysis	NOUN
ap-1338	80	58	.	.	PUNCT
ap-1338	81	1	this	this	DET
ap-1338	81	2	rejection	rejection	NOUN
ap-1338	81	3	radius	radius	NOUN
ap-1338	81	4	was	be	AUX
ap-1338	81	5	determined	determine	VERB
ap-1338	81	6	according	accord	VERB
ap-1338	81	7	to	to	ADP
ap-1338	81	8	the	the	DET
ap-1338	81	9	distribution	distribution	NOUN
ap-1338	81	10	of	of	ADP
ap-1338	81	11	angular	angular	ADJ
ap-1338	81	12	distances	distance	NOUN
ap-1338	81	13	from	from	ADP
ap-1338	81	14	flashes	flash	NOUN
ap-1338	81	15	to	to	ADP
ap-1338	81	16	the	the	DET
ap-1338	81	17	closest	close	ADJ
ap-1338	81	18	satellite	satellite	NOUN
ap-1338	81	19	from	from	ADP
ap-1338	81	20	the	the	DET
ap-1338	81	21	database	database	NOUN
ap-1338	81	22	,	,	PUNCT
ap-1338	81	23	which	which	PRON
ap-1338	81	24	is	be	AUX
ap-1338	81	25	clearly	clearly	ADV
ap-1338	81	26	peaked	peak	VERB
ap-1338	81	27	around	around	ADP
ap-1338	81	28	zero	zero	NUM
ap-1338	81	29	(	(	PUNCT
ap-1338	81	30	figure	figure	NOUN
ap-1338	81	31	2	2	NUM
ap-1338	81	32	)	)	PUNCT
ap-1338	81	33	.	.	PUNCT
ap-1338	82	1	the	the	DET
ap-1338	82	2	red	red	ADJ
ap-1338	82	3	dots	dot	NOUN
ap-1338	82	4	on	on	ADP
ap-1338	82	5	the	the	DET
ap-1338	82	6	plot	plot	NOUN
ap-1338	82	7	represent	represent	VERB
ap-1338	82	8	the	the	DET
ap-1338	82	9	distance	distance	NOUN
ap-1338	82	10	distribution	distribution	NOUN
ap-1338	82	11	for	for	ADP
ap-1338	82	12	randomly	randomly	ADV
ap-1338	82	13	generated	generate	VERB
ap-1338	82	14	flashes	flash	NOUN
ap-1338	82	15	to	to	ADP
ap-1338	82	16	the	the	DET
ap-1338	82	17	closest	close	ADJ
ap-1338	82	18	satellite	satellite	NOUN
ap-1338	82	19	from	from	ADP
ap-1338	82	20	the	the	DET
ap-1338	82	21	catalog	catalog	NOUN
ap-1338	82	22	,	,	PUNCT
ap-1338	82	23	and	and	CCONJ
ap-1338	82	24	illustrate	illustrate	VERB
ap-1338	82	25	the	the	DET
ap-1338	82	26	size	size	NOUN
ap-1338	82	27	of	of	ADP
ap-1338	82	28	the	the	DET
ap-1338	82	29	combinatorial	combinatorial	ADJ
ap-1338	82	30	background	background	NOUN
ap-1338	82	31	.	.	PUNCT
ap-1338	83	1	the	the	DET
ap-1338	83	2	satellites	satellite	NOUN
ap-1338	83	3	identified	identify	VERB
ap-1338	83	4	according	accord	VERB
ap-1338	83	5	to	to	ADP
ap-1338	83	6	the	the	DET
ap-1338	83	7	tle	tle	NOUN
ap-1338	83	8	database	database	NOUN
ap-1338	83	9	are	be	AUX
ap-1338	83	10	mostly	mostly	ADV
ap-1338	83	11	leo	leo	PROPN
ap-1338	83	12	and	and	CCONJ
ap-1338	83	13	geo	geo	PROPN
ap-1338	83	14	satellites	satellites	PROPN
ap-1338	83	15	.	.	PUNCT
ap-1338	84	1	images	image	NOUN
ap-1338	84	2	of	of	ADP
ap-1338	84	3	low	low	ADJ
ap-1338	84	4	orbit	orbit	NOUN
ap-1338	84	5	satellite	satellite	NOUN
ap-1338	84	6	sl-12	sl-12	NOUN
ap-1338	84	7	are	be	AUX
ap-1338	84	8	shown	show	VERB
ap-1338	84	9	in	in	ADP
ap-1338	84	10	figure	figure	NOUN
ap-1338	84	11	3	3	NUM
ap-1338	84	12	.	.	PUNCT
ap-1338	85	1	there	there	PRON
ap-1338	85	2	are	be	VERB
ap-1338	85	3	also	also	ADV
ap-1338	85	4	many	many	ADJ
ap-1338	85	5	geostationary	geostationary	ADJ
ap-1338	85	6	satellites	satellite	NOUN
ap-1338	85	7	in	in	ADP
ap-1338	85	8	the	the	DET
ap-1338	85	9	sample	sample	NOUN
ap-1338	85	10	(	(	PUNCT
ap-1338	85	11	mostly	mostly	ADV
ap-1338	85	12	large	large	ADJ
ap-1338	85	13	,	,	PUNCT
ap-1338	85	14	with	with	ADP
ap-1338	85	15	solar	solar	ADJ
ap-1338	85	16	panels	panel	NOUN
ap-1338	85	17	exceeding	exceed	VERB
ap-1338	85	18	10	10	NUM
ap-1338	85	19	m	m	NOUN
ap-1338	85	20	)	)	PUNCT
ap-1338	85	21	.	.	PUNCT
ap-1338	86	1	however	however	ADV
ap-1338	86	2	,	,	PUNCT
ap-1338	86	3	these	these	DET
ap-1338	86	4	observations	observation	NOUN
ap-1338	86	5	show	show	VERB
ap-1338	86	6	that	that	SCONJ
ap-1338	86	7	it	it	PRON
ap-1338	86	8	is	be	AUX
ap-1338	86	9	possible	possible	ADJ
ap-1338	86	10	to	to	PART
ap-1338	86	11	observe	observe	VERB
ap-1338	86	12	even	even	ADV
ap-1338	86	13	geostationary	geostationary	ADJ
ap-1338	86	14	objects	object	NOUN
ap-1338	86	15	with	with	ADP
ap-1338	86	16	the	the	DET
ap-1338	86	17	small	small	ADJ
ap-1338	86	18	aperture	aperture	NOUN
ap-1338	86	19	(	(	PUNCT
ap-1338	86	20	70	70	NUM
ap-1338	86	21	mm	mm	NOUN
ap-1338	86	22	)	)	PUNCT
ap-1338	86	23	instrument	instrument	NOUN
ap-1338	86	24	.	.	PUNCT
ap-1338	87	1	images	image	NOUN
ap-1338	87	2	of	of	ADP
ap-1338	87	3	geostationary	geostationary	ADJ
ap-1338	87	4	satellite	satellite	NOUN
ap-1338	87	5	xm-4	xm-4	NUM
ap-1338	87	6	blues	blue	NOUN
ap-1338	87	7	are	be	AUX
ap-1338	87	8	shown	show	VERB
ap-1338	87	9	in	in	ADP
ap-1338	87	10	figure	figure	NOUN
ap-1338	87	11	4	4	NUM
ap-1338	87	12	.	.	PUNCT
ap-1338	88	1	the	the	DET
ap-1338	88	2	orbital	orbital	ADJ
ap-1338	88	3	element	element	NOUN
ap-1338	88	4	databases	database	NOUN
ap-1338	88	5	are	be	AUX
ap-1338	88	6	not	not	PART
ap-1338	88	7	complete	complete	ADJ
ap-1338	88	8	,	,	PUNCT
ap-1338	88	9	and	and	CCONJ
ap-1338	88	10	many	many	ADJ
ap-1338	88	11	satellites	satellite	NOUN
ap-1338	88	12	are	be	AUX
ap-1338	88	13	not	not	PART
ap-1338	88	14	included	include	VERB
ap-1338	88	15	in	in	ADP
ap-1338	88	16	them	they	PRON
ap-1338	88	17	.	.	PUNCT
ap-1338	89	1	in	in	ADP
ap-1338	89	2	order	order	NOUN
ap-1338	89	3	to	to	PART
ap-1338	89	4	identify	identify	VERB
ap-1338	89	5	them	they	PRON
ap-1338	89	6	,	,	PUNCT
ap-1338	89	7	event	event	NOUN
ap-1338	89	8	candidates	candidate	NOUN
ap-1338	89	9	are	be	AUX
ap-1338	89	10	examined	examine	VERB
ap-1338	89	11	against	against	ADP
ap-1338	89	12	track	track	NOUN
ap-1338	89	13	criteria	criterion	NOUN
ap-1338	89	14	.	.	PUNCT
ap-1338	90	1	there	there	PRON
ap-1338	90	2	are	be	VERB
ap-1338	90	3	currently	currently	ADV
ap-1338	90	4	two	two	NUM
ap-1338	90	5	procedures	procedure	NOUN
ap-1338	90	6	for	for	ADP
ap-1338	90	7	track	track	NOUN
ap-1338	90	8	identification	identification	NOUN
ap-1338	90	9	:	:	PUNCT
ap-1338	90	10	•	•	NUM
ap-1338	90	11	normal	normal	ADJ
ap-1338	90	12	track	track	NOUN
ap-1338	90	13	—	—	PUNCT
ap-1338	90	14	tries	try	VERB
ap-1338	90	15	to	to	PART
ap-1338	90	16	form	form	VERB
ap-1338	90	17	a	a	DET
ap-1338	90	18	track	track	NOUN
ap-1338	90	19	out	out	ADP
ap-1338	90	20	of	of	ADP
ap-1338	90	21	events	event	NOUN
ap-1338	90	22	from	from	ADP
ap-1338	90	23	different	different	ADJ
ap-1338	90	24	images	image	NOUN
ap-1338	90	25	,	,	PUNCT
ap-1338	90	26	it	it	PRON
ap-1338	90	27	finds	find	VERB
ap-1338	90	28	slowly	slowly	ADV
ap-1338	90	29	moving	move	VERB
ap-1338	90	30	satellites	satellite	NOUN
ap-1338	90	31	(	(	PUNCT
ap-1338	90	32	like	like	ADP
ap-1338	90	33	the	the	DET
ap-1338	90	34	geostationary	geostationary	ADJ
ap-1338	90	35	satellite	satellite	NOUN
ap-1338	90	36	in	in	ADP
ap-1338	90	37	105	105	NUM
ap-1338	90	38	acta	acta	PROPN
ap-1338	90	39	polytechnica	polytechnica	PROPN
ap-1338	90	40	vol	vol	NOUN
ap-1338	90	41	.	.	PUNCT
ap-1338	91	1	51	51	NUM
ap-1338	92	1	no	no	NOUN
ap-1338	92	2	.	.	PUNCT
ap-1338	93	1	2/2011	2/2011	NUM
ap-1338	93	2	ccdx	ccdx	NOUN
ap-1338	93	3	0	0	NUM
ap-1338	93	4	200	200	NUM
ap-1338	93	5	400	400	NUM
ap-1338	93	6	600	600	NUM
ap-1338	93	7	800	800	NUM
ap-1338	93	8	100012001400160018002000	100012001400160018002000	NUM
ap-1338	93	9	c	c	NOUN
ap-1338	93	10	c	c	NOUN
ap-1338	94	1	d	d	X
ap-1338	94	2	y	y	PROPN
ap-1338	94	3	0	0	NUM
ap-1338	94	4	200	200	NUM
ap-1338	94	5	400	400	NUM
ap-1338	94	6	600	600	NUM
ap-1338	94	7	800	800	NUM
ap-1338	94	8	1000	1000	NUM
ap-1338	94	9	1200	1200	NUM
ap-1338	94	10	1400	1400	NUM
ap-1338	94	11	1600	1600	NUM
ap-1338	94	12	1800	1800	NUM
ap-1338	94	13	2000	2000	NUM
ap-1338	94	14	normal_tracks.lst	normal_tracks.lst	ADP
ap-1338	94	15	ccdx	ccdx	NOUN
ap-1338	94	16	0	0	NUM
ap-1338	94	17	200	200	NUM
ap-1338	94	18	400	400	NUM
ap-1338	94	19	600	600	NUM
ap-1338	94	20	800	800	NUM
ap-1338	94	21	100012001400160018002000	100012001400160018002000	NUM
ap-1338	94	22	c	c	NOUN
ap-1338	94	23	c	c	NOUN
ap-1338	95	1	d	d	X
ap-1338	95	2	y	y	PROPN
ap-1338	95	3	0	0	NUM
ap-1338	95	4	200	200	NUM
ap-1338	95	5	400	400	NUM
ap-1338	95	6	600	600	NUM
ap-1338	95	7	800	800	NUM
ap-1338	95	8	1000	1000	NUM
ap-1338	95	9	1200	1200	NUM
ap-1338	95	10	1400	1400	NUM
ap-1338	95	11	1600	1600	NUM
ap-1338	95	12	1800	1800	NUM
ap-1338	95	13	2000	2000	NUM
ap-1338	95	14	single_camera_tracks.lst	single_camera_tracks.lst	ADP
ap-1338	95	15	fig	fig	NOUN
ap-1338	95	16	.	.	PUNCT
ap-1338	96	1	5	5	NUM
ap-1338	96	2	:	:	PUNCT
ap-1338	96	3	tracks	track	NOUN
ap-1338	96	4	identified	identify	VERB
ap-1338	96	5	by	by	ADP
ap-1338	96	6	the	the	DET
ap-1338	96	7	two	two	NUM
ap-1338	96	8	algorithms	algorithm	NOUN
ap-1338	96	9	described	describe	VERB
ap-1338	96	10	in	in	ADP
ap-1338	96	11	the	the	DET
ap-1338	96	12	text	text	NOUN
ap-1338	96	13	during	during	ADP
ap-1338	96	14	the	the	DET
ap-1338	96	15	same	same	ADJ
ap-1338	96	16	night	night	NOUN
ap-1338	96	17	.	.	PUNCT
ap-1338	97	1	the	the	DET
ap-1338	97	2	image	image	NOUN
ap-1338	97	3	on	on	ADP
ap-1338	97	4	the	the	DET
ap-1338	97	5	left	left	NOUN
ap-1338	97	6	shows	show	VERB
ap-1338	97	7	160	160	NUM
ap-1338	97	8	normal	normal	ADJ
ap-1338	97	9	tracks	track	NOUN
ap-1338	97	10	and	and	CCONJ
ap-1338	97	11	the	the	DET
ap-1338	97	12	image	image	NOUN
ap-1338	97	13	on	on	ADP
ap-1338	97	14	the	the	DET
ap-1338	97	15	right	right	ADJ
ap-1338	97	16	presents	present	NOUN
ap-1338	97	17	40	40	NUM
ap-1338	97	18	single	single	ADJ
ap-1338	97	19	camera	camera	NOUN
ap-1338	97	20	tracks	track	VERB
ap-1338	97	21	ccdx	ccdx	VERB
ap-1338	97	22	0	0	NUM
ap-1338	97	23	200	200	NUM
ap-1338	97	24	400	400	NUM
ap-1338	97	25	600	600	NUM
ap-1338	97	26	800	800	NUM
ap-1338	97	27	100012001400160018002000	100012001400160018002000	NUM
ap-1338	98	1	c	c	NOUN
ap-1338	98	2	c	c	NOUN
ap-1338	99	1	d	d	X
ap-1338	99	2	y	y	PROPN
ap-1338	99	3	0	0	NUM
ap-1338	99	4	200	200	NUM
ap-1338	99	5	400	400	NUM
ap-1338	99	6	600	600	NUM
ap-1338	99	7	800	800	NUM
ap-1338	99	8	1000	1000	NUM
ap-1338	99	9	1200	1200	NUM
ap-1338	99	10	1400	1400	NUM
ap-1338	99	11	1600	1600	NUM
ap-1338	99	12	1800	1800	NUM
ap-1338	99	13	2000	2000	NUM
ap-1338	99	14	track00010.lst	track00010.lst	NOUN
ap-1338	99	15	track	track	NOUN
ap-1338	99	16	info	info	NOUN
ap-1338	99	17	−−−−−−−−−−−−−−−−−−−	−−−−−−−−−−−−−−−−−−−	ADP
ap-1338	99	18	frame	frame	NOUN
ap-1338	99	19	=	=	SYM
ap-1338	99	20	847	847	NUM
ap-1338	99	21	point	point	NOUN
ap-1338	99	22	#	#	NOUN
ap-1338	99	23	=	=	NOUN
ap-1338	99	24	435	435	NUM
ap-1338	99	25	line	line	NOUN
ap-1338	99	26	type	type	NOUN
ap-1338	99	27	=	=	PUNCT
ap-1338	99	28	p	p	NOUN
ap-1338	99	29	params	param	NOUN
ap-1338	99	30	:	:	PUNCT
ap-1338	99	31	a=−0.00003399	a=−0.00003399	NOUN
ap-1338	99	32	b=−0.00004576	b=−0.00004576	PROPN
ap-1338	99	33	c=701.24591028	c=701.24591028	PROPN
ap-1338	99	34	chi2	chi2	NOUN
ap-1338	99	35	=	=	SYM
ap-1338	99	36	0.15	0.15	NUM
ap-1338	99	37	oper	oper	NOUN
ap-1338	99	38	=	=	PUNCT
ap-1338	99	39	u	u	NOUN
ap-1338	99	40	ccdx	ccdx	NOUN
ap-1338	99	41	0	0	NUM
ap-1338	99	42	200	200	NUM
ap-1338	99	43	400	400	NUM
ap-1338	99	44	600	600	NUM
ap-1338	99	45	800	800	NUM
ap-1338	99	46	100012001400160018002000	100012001400160018002000	NUM
ap-1338	100	1	c	c	NOUN
ap-1338	100	2	c	c	NOUN
ap-1338	101	1	d	d	X
ap-1338	101	2	y	y	PROPN
ap-1338	101	3	0	0	NUM
ap-1338	101	4	200	200	NUM
ap-1338	101	5	400	400	NUM
ap-1338	101	6	600	600	NUM
ap-1338	101	7	800	800	NUM
ap-1338	101	8	1000	1000	NUM
ap-1338	101	9	1200	1200	NUM
ap-1338	101	10	1400	1400	NUM
ap-1338	101	11	1600	1600	NUM
ap-1338	101	12	1800	1800	NUM
ap-1338	101	13	2000	2000	NUM
ap-1338	101	14	track00455.lst	track00455.lst	NOUN
ap-1338	101	15	track	track	NOUN
ap-1338	101	16	info	info	NOUN
ap-1338	101	17	−−−−−−−−−−−−−−−−−−−	−−−−−−−−−−−−−−−−−−−	ADP
ap-1338	101	18	frame	frame	NOUN
ap-1338	101	19	=	=	NOUN
ap-1338	101	20	309	309	NUM
ap-1338	101	21	point	point	NOUN
ap-1338	101	22	#	#	NOUN
ap-1338	101	23	=	=	SYM
ap-1338	101	24	88	88	NUM
ap-1338	101	25	line	line	NOUN
ap-1338	101	26	type	type	NOUN
ap-1338	101	27	=	=	PUNCT
ap-1338	101	28	l	l	NOUN
ap-1338	101	29	params	param	NOUN
ap-1338	101	30	:	:	PUNCT
ap-1338	101	31	a=49.10953497	a=49.10953497	NOUN
ap-1338	101	32	b=−1.00000000	b=−1.00000000	NOUN
ap-1338	101	33	c=−67695.77024120	c=−67695.77024120	NOUN
ap-1338	101	34	chi2	chi2	NOUN
ap-1338	101	35	=	=	NOUN
ap-1338	101	36	8.18	8.18	NUM
ap-1338	101	37	oper	oper	NOUN
ap-1338	101	38	=	=	PROPN
ap-1338	101	39	u	u	NOUN
ap-1338	101	40	fig	fig	NOUN
ap-1338	101	41	.	.	PUNCT
ap-1338	102	1	6	6	NUM
ap-1338	102	2	:	:	PUNCT
ap-1338	102	3	an	an	DET
ap-1338	102	4	example	example	NOUN
ap-1338	102	5	of	of	ADP
ap-1338	102	6	a	a	DET
ap-1338	102	7	normal	normal	ADJ
ap-1338	102	8	track	track	NOUN
ap-1338	102	9	with	with	ADP
ap-1338	102	10	a	a	DET
ap-1338	102	11	fitted	fit	VERB
ap-1338	102	12	parabola	parabola	NOUN
ap-1338	102	13	(	(	PUNCT
ap-1338	102	14	left	leave	VERB
ap-1338	102	15	image	image	NOUN
ap-1338	102	16	)	)	PUNCT
ap-1338	102	17	and	and	CCONJ
ap-1338	102	18	a	a	DET
ap-1338	102	19	single	single	ADJ
ap-1338	102	20	camera	camera	NOUN
ap-1338	102	21	track	track	NOUN
ap-1338	102	22	with	with	ADP
ap-1338	102	23	a	a	DET
ap-1338	102	24	fitted	fit	VERB
ap-1338	102	25	straight	straight	ADJ
ap-1338	102	26	line	line	NOUN
ap-1338	102	27	(	(	PUNCT
ap-1338	102	28	right	right	ADJ
ap-1338	102	29	image	image	NOUN
ap-1338	102	30	)	)	PUNCT
ap-1338	102	31	figure	figure	NOUN
ap-1338	102	32	4	4	NUM
ap-1338	102	33	)	)	PUNCT
ap-1338	102	34	.	.	PUNCT
ap-1338	103	1	if	if	SCONJ
ap-1338	103	2	it	it	PRON
ap-1338	103	3	is	be	AUX
ap-1338	103	4	possible	possible	ADJ
ap-1338	103	5	to	to	PART
ap-1338	103	6	fit	fit	VERB
ap-1338	103	7	a	a	DET
ap-1338	103	8	track	track	NOUN
ap-1338	103	9	to	to	ADP
ap-1338	103	10	a	a	DET
ap-1338	103	11	set	set	NOUN
ap-1338	103	12	of	of	ADP
ap-1338	103	13	events	event	NOUN
ap-1338	103	14	from	from	ADP
ap-1338	103	15	different	different	ADJ
ap-1338	103	16	or	or	CCONJ
ap-1338	103	17	same	same	ADJ
ap-1338	103	18	images	image	NOUN
ap-1338	103	19	and	and	CCONJ
ap-1338	103	20	the	the	DET
ap-1338	103	21	velocity	velocity	NOUN
ap-1338	103	22	of	of	ADP
ap-1338	103	23	the	the	DET
ap-1338	103	24	object	object	NOUN
ap-1338	103	25	is	be	AUX
ap-1338	103	26	approximately	approximately	ADV
ap-1338	103	27	constant	constant	ADJ
ap-1338	103	28	,	,	PUNCT
ap-1338	103	29	all	all	DET
ap-1338	103	30	events	event	NOUN
ap-1338	103	31	matching	match	VERB
ap-1338	103	32	the	the	DET
ap-1338	103	33	track	track	NOUN
ap-1338	103	34	are	be	AUX
ap-1338	103	35	flagged	flag	VERB
ap-1338	103	36	as	as	ADP
ap-1338	103	37	moving	move	VERB
ap-1338	103	38	objects	object	NOUN
ap-1338	103	39	.	.	PUNCT
ap-1338	104	1	an	an	DET
ap-1338	104	2	example	example	NOUN
ap-1338	104	3	of	of	ADP
ap-1338	104	4	160	160	NUM
ap-1338	104	5	normal	normal	ADJ
ap-1338	104	6	tracks	track	NOUN
ap-1338	104	7	fitted	fit	VERB
ap-1338	104	8	during	during	ADP
ap-1338	104	9	a	a	DET
ap-1338	104	10	single	single	ADJ
ap-1338	104	11	night	night	NOUN
ap-1338	104	12	is	be	AUX
ap-1338	104	13	shown	show	VERB
ap-1338	104	14	in	in	ADP
ap-1338	104	15	figure	figure	NOUN
ap-1338	104	16	5	5	NUM
ap-1338	104	17	.	.	NOUN
ap-1338	104	18	•	•	NUM
ap-1338	104	19	single	single	ADJ
ap-1338	104	20	camera	camera	NOUN
ap-1338	104	21	tracks	track	NOUN
ap-1338	104	22	—	—	PUNCT
ap-1338	104	23	identify	identify	VERB
ap-1338	104	24	tracks	track	NOUN
ap-1338	104	25	using	use	VERB
ap-1338	104	26	events	event	NOUN
ap-1338	104	27	identified	identify	VERB
ap-1338	104	28	by	by	ADP
ap-1338	104	29	a	a	DET
ap-1338	104	30	single	single	ADJ
ap-1338	104	31	camera	camera	NOUN
ap-1338	104	32	.	.	PUNCT
ap-1338	105	1	the	the	DET
ap-1338	105	2	tracking	tracking	NOUN
ap-1338	105	3	starts	start	VERB
ap-1338	105	4	with	with	ADP
ap-1338	105	5	events	event	NOUN
ap-1338	105	6	from	from	ADP
ap-1338	105	7	a	a	DET
ap-1338	105	8	single	single	ADJ
ap-1338	105	9	image	image	NOUN
ap-1338	105	10	,	,	PUNCT
ap-1338	105	11	and	and	CCONJ
ap-1338	105	12	requires	require	VERB
ap-1338	105	13	at	at	ADV
ap-1338	105	14	least	least	ADV
ap-1338	105	15	5	5	NUM
ap-1338	105	16	events	event	NOUN
ap-1338	105	17	in	in	ADP
ap-1338	105	18	a	a	DET
ap-1338	105	19	track	track	NOUN
ap-1338	105	20	.	.	PUNCT
ap-1338	106	1	if	if	SCONJ
ap-1338	106	2	a	a	DET
ap-1338	106	3	new	new	ADJ
ap-1338	106	4	single	single	ADJ
ap-1338	106	5	camera	camera	NOUN
ap-1338	106	6	track	track	NOUN
ap-1338	106	7	is	be	AUX
ap-1338	106	8	identified	identify	VERB
ap-1338	106	9	,	,	PUNCT
ap-1338	106	10	it	it	PRON
ap-1338	106	11	is	be	AUX
ap-1338	106	12	matched	match	VERB
ap-1338	106	13	to	to	ADP
ap-1338	106	14	earlier	early	ADJ
ap-1338	106	15	tracks	track	NOUN
ap-1338	106	16	of	of	ADP
ap-1338	106	17	the	the	DET
ap-1338	106	18	same	same	ADJ
ap-1338	106	19	type	type	NOUN
ap-1338	106	20	.	.	PUNCT
ap-1338	107	1	if	if	SCONJ
ap-1338	107	2	they	they	PRON
ap-1338	107	3	match	match	VERB
ap-1338	107	4	each	each	DET
ap-1338	107	5	other	other	ADJ
ap-1338	107	6	,	,	PUNCT
ap-1338	107	7	the	the	DET
ap-1338	107	8	earlier	early	ADJ
ap-1338	107	9	track	track	NOUN
ap-1338	107	10	is	be	AUX
ap-1338	107	11	extended	extend	VERB
ap-1338	107	12	by	by	ADP
ap-1338	107	13	the	the	DET
ap-1338	107	14	new	new	ADJ
ap-1338	107	15	one	one	NOUN
ap-1338	107	16	and	and	CCONJ
ap-1338	107	17	a	a	DET
ap-1338	107	18	single	single	ADJ
ap-1338	107	19	larger	large	ADJ
ap-1338	107	20	track	track	NOUN
ap-1338	107	21	is	be	AUX
ap-1338	107	22	formed	form	VERB
ap-1338	107	23	.	.	PUNCT
ap-1338	108	1	this	this	DET
ap-1338	108	2	procedure	procedure	NOUN
ap-1338	108	3	rejects	reject	VERB
ap-1338	108	4	fast	fast	ADJ
ap-1338	108	5	satellites	satellite	NOUN
ap-1338	108	6	(	(	PUNCT
ap-1338	108	7	or	or	CCONJ
ap-1338	108	8	planes	plane	NOUN
ap-1338	108	9	)	)	PUNCT
ap-1338	108	10	which	which	PRON
ap-1338	108	11	produce	produce	VERB
ap-1338	108	12	“	"	PUNCT
ap-1338	108	13	long	long	ADJ
ap-1338	108	14	line	line	NOUN
ap-1338	108	15	”	"	PUNCT
ap-1338	108	16	signatures	signature	NOUN
ap-1338	108	17	in	in	ADP
ap-1338	108	18	a	a	DET
ap-1338	108	19	single	single	ADJ
ap-1338	108	20	image	image	NOUN
ap-1338	108	21	(	(	PUNCT
ap-1338	108	22	figure	figure	NOUN
ap-1338	108	23	3	3	NUM
ap-1338	108	24	)	)	PUNCT
ap-1338	108	25	.	.	PUNCT
ap-1338	109	1	an	an	DET
ap-1338	109	2	example	example	NOUN
ap-1338	109	3	of	of	ADP
ap-1338	109	4	40	40	NUM
ap-1338	109	5	normal	normal	ADJ
ap-1338	109	6	tracks	track	NOUN
ap-1338	109	7	fitted	fit	VERB
ap-1338	109	8	during	during	ADP
ap-1338	109	9	a	a	DET
ap-1338	109	10	single	single	ADJ
ap-1338	109	11	night	night	NOUN
ap-1338	109	12	is	be	AUX
ap-1338	109	13	shown	show	VERB
ap-1338	109	14	in	in	ADP
ap-1338	109	15	figure	figure	NOUN
ap-1338	109	16	5	5	NUM
ap-1338	109	17	.	.	PUNCT
ap-1338	110	1	in	in	ADP
ap-1338	110	2	the	the	DET
ap-1338	110	3	initial	initial	ADJ
ap-1338	110	4	version	version	NOUN
ap-1338	110	5	only	only	ADV
ap-1338	110	6	straight	straight	ADJ
ap-1338	110	7	lines	line	NOUN
ap-1338	110	8	were	be	AUX
ap-1338	110	9	fitted	fit	VERB
ap-1338	110	10	.	.	PUNCT
ap-1338	111	1	for	for	ADP
ap-1338	111	2	many	many	ADJ
ap-1338	111	3	moving	move	VERB
ap-1338	111	4	objects	object	NOUN
ap-1338	111	5	,	,	PUNCT
ap-1338	111	6	however	however	ADV
ap-1338	111	7	,	,	PUNCT
ap-1338	111	8	fov	fov	NOUN
ap-1338	111	9	of	of	ADP
ap-1338	111	10	20	20	NUM
ap-1338	111	11	◦	◦	NOUN
ap-1338	111	12	×	×	NOUN
ap-1338	111	13	20	20	NUM
ap-1338	111	14	◦	◦	NOUN
ap-1338	111	15	is	be	AUX
ap-1338	111	16	large	large	ADJ
ap-1338	111	17	enough	enough	ADV
ap-1338	111	18	to	to	PART
ap-1338	111	19	observe	observe	VERB
ap-1338	111	20	significant	significant	ADJ
ap-1338	111	21	curvature	curvature	NOUN
ap-1338	111	22	of	of	ADP
ap-1338	111	23	the	the	DET
ap-1338	111	24	track	track	NOUN
ap-1338	111	25	.	.	PUNCT
ap-1338	112	1	thus	thus	ADV
ap-1338	112	2	,	,	PUNCT
ap-1338	112	3	in	in	ADP
ap-1338	112	4	order	order	NOUN
ap-1338	112	5	to	to	PART
ap-1338	112	6	make	make	VERB
ap-1338	112	7	the	the	DET
ap-1338	112	8	fit	fit	ADJ
ap-1338	112	9	procedure	procedure	NOUN
ap-1338	112	10	more	more	ADV
ap-1338	112	11	efficient	efficient	ADJ
ap-1338	112	12	,	,	PUNCT
ap-1338	112	13	a	a	DET
ap-1338	112	14	parabolic	parabolic	ADJ
ap-1338	112	15	curve	curve	NOUN
ap-1338	112	16	is	be	AUX
ap-1338	112	17	now	now	ADV
ap-1338	112	18	also	also	ADV
ap-1338	112	19	fitted	fit	VERB
ap-1338	112	20	.	.	PUNCT
ap-1338	113	1	if	if	SCONJ
ap-1338	113	2	the	the	DET
ap-1338	113	3	track	track	NOUN
ap-1338	113	4	consists	consist	VERB
ap-1338	113	5	of	of	ADP
ap-1338	113	6	at	at	ADV
ap-1338	113	7	least	least	ADV
ap-1338	113	8	20	20	NUM
ap-1338	113	9	events	event	NOUN
ap-1338	113	10	106	106	NUM
ap-1338	113	11	acta	acta	PROPN
ap-1338	113	12	polytechnica	polytechnica	PROPN
ap-1338	113	13	vol	vol	NOUN
ap-1338	113	14	.	.	PUNCT
ap-1338	114	1	51	51	NUM
ap-1338	114	2	no	no	NOUN
ap-1338	114	3	.	.	PUNCT
ap-1338	115	1	2/2011	2/2011	NUM
ap-1338	115	2	fig	fig	NOUN
ap-1338	115	3	.	.	PUNCT
ap-1338	116	1	7	7	NUM
ap-1338	116	2	:	:	PUNCT
ap-1338	116	3	example	example	NOUN
ap-1338	116	4	of	of	ADP
ap-1338	116	5	a	a	DET
ap-1338	116	6	text	text	NOUN
ap-1338	116	7	file	file	NOUN
ap-1338	116	8	containing	contain	VERB
ap-1338	116	9	satellite	satellite	NOUN
ap-1338	116	10	observational	observational	ADJ
ap-1338	116	11	data	datum	NOUN
ap-1338	116	12	and	and	CCONJ
ap-1338	116	13	χ2par	χ2par	NOUN
ap-1338	116	14	/	/	SYM
ap-1338	116	15	χ2line	χ2line	NOUN
ap-1338	116	16	<	<	X
ap-1338	116	17	2	2	NUM
ap-1338	116	18	,	,	PUNCT
ap-1338	116	19	parabolic	parabolic	ADJ
ap-1338	116	20	fit	fit	ADJ
ap-1338	116	21	parameters	parameter	NOUN
ap-1338	116	22	are	be	AUX
ap-1338	116	23	chosen	choose	VERB
ap-1338	116	24	.	.	PUNCT
ap-1338	117	1	examples	example	NOUN
ap-1338	117	2	of	of	ADP
ap-1338	117	3	a	a	DET
ap-1338	117	4	straight	straight	ADJ
ap-1338	117	5	line	line	NOUN
ap-1338	117	6	and	and	CCONJ
ap-1338	117	7	parabolic	parabolic	NOUN
ap-1338	117	8	tracks	track	NOUN
ap-1338	117	9	are	be	AUX
ap-1338	117	10	shown	show	VERB
ap-1338	117	11	in	in	ADP
ap-1338	117	12	figure	figure	NOUN
ap-1338	117	13	6	6	NUM
ap-1338	117	14	.	.	PUNCT
ap-1338	118	1	the	the	DET
ap-1338	118	2	efficiency	efficiency	NOUN
ap-1338	118	3	of	of	ADP
ap-1338	118	4	identifying	identify	VERB
ap-1338	118	5	moving	move	VERB
ap-1338	118	6	objects	object	NOUN
ap-1338	118	7	by	by	ADP
ap-1338	118	8	the	the	DET
ap-1338	118	9	normal	normal	ADJ
ap-1338	118	10	track	track	NOUN
ap-1338	118	11	procedure	procedure	NOUN
ap-1338	118	12	was	be	AUX
ap-1338	118	13	studied	study	VERB
ap-1338	118	14	by	by	ADP
ap-1338	118	15	checking	check	VERB
ap-1338	118	16	how	how	SCONJ
ap-1338	118	17	many	many	ADJ
ap-1338	118	18	of	of	ADP
ap-1338	118	19	the	the	DET
ap-1338	118	20	satellites	satellite	NOUN
ap-1338	118	21	identified	identify	VERB
ap-1338	118	22	in	in	ADP
ap-1338	118	23	the	the	DET
ap-1338	118	24	tle	tle	NOUN
ap-1338	118	25	database	database	NOUN
ap-1338	118	26	were	be	AUX
ap-1338	118	27	later	later	ADV
ap-1338	118	28	identified	identify	VERB
ap-1338	118	29	in	in	ADP
ap-1338	118	30	the	the	DET
ap-1338	118	31	track	track	NOUN
ap-1338	118	32	procedure	procedure	NOUN
ap-1338	118	33	.	.	PUNCT
ap-1338	119	1	the	the	DET
ap-1338	119	2	procedure	procedure	NOUN
ap-1338	119	3	is	be	AUX
ap-1338	119	4	already	already	ADV
ap-1338	119	5	very	very	ADV
ap-1338	119	6	efficient	efficient	ADJ
ap-1338	119	7	and	and	CCONJ
ap-1338	119	8	99	99	NUM
ap-1338	119	9	%	%	NOUN
ap-1338	119	10	of	of	ADP
ap-1338	119	11	objects	object	NOUN
ap-1338	119	12	that	that	PRON
ap-1338	119	13	are	be	AUX
ap-1338	119	14	moving	move	VERB
ap-1338	119	15	objects	object	NOUN
ap-1338	119	16	according	accord	VERB
ap-1338	119	17	to	to	ADP
ap-1338	119	18	the	the	DET
ap-1338	119	19	tle	tle	NOUN
ap-1338	119	20	database	database	NOUN
ap-1338	119	21	were	be	AUX
ap-1338	119	22	also	also	ADV
ap-1338	119	23	identified	identify	VERB
ap-1338	119	24	by	by	ADP
ap-1338	119	25	the	the	DET
ap-1338	119	26	normal	normal	ADJ
ap-1338	119	27	track	track	NOUN
ap-1338	119	28	procedure	procedure	NOUN
ap-1338	119	29	.	.	PUNCT
ap-1338	120	1	software	software	NOUN
ap-1338	120	2	tools	tool	NOUN
ap-1338	120	3	were	be	AUX
ap-1338	120	4	created	create	VERB
ap-1338	120	5	in	in	ADP
ap-1338	120	6	order	order	NOUN
ap-1338	120	7	to	to	PART
ap-1338	120	8	obtain	obtain	VERB
ap-1338	120	9	the	the	DET
ap-1338	120	10	positions	position	NOUN
ap-1338	120	11	and	and	CCONJ
ap-1338	120	12	times	time	NOUN
ap-1338	120	13	of	of	ADP
ap-1338	120	14	all	all	DET
ap-1338	120	15	observations	observation	NOUN
ap-1338	120	16	of	of	ADP
ap-1338	120	17	the	the	DET
ap-1338	120	18	given	give	VERB
ap-1338	120	19	tle	tle	NOUN
ap-1338	120	20	-	-	NOUN
ap-1338	120	21	satellite	satellite	NOUN
ap-1338	120	22	.	.	PUNCT
ap-1338	121	1	the	the	DET
ap-1338	121	2	observational	observational	ADJ
ap-1338	121	3	data	datum	NOUN
ap-1338	121	4	(	(	PUNCT
ap-1338	121	5	right	right	ADJ
ap-1338	121	6	ascension	ascension	NOUN
ap-1338	121	7	,	,	PUNCT
ap-1338	121	8	declination	declination	NOUN
ap-1338	121	9	,	,	PUNCT
ap-1338	121	10	time	time	NOUN
ap-1338	121	11	and	and	CCONJ
ap-1338	121	12	some	some	DET
ap-1338	121	13	additional	additional	ADJ
ap-1338	121	14	information	information	NOUN
ap-1338	121	15	)	)	PUNCT
ap-1338	121	16	is	be	AUX
ap-1338	121	17	saved	save	VERB
ap-1338	121	18	to	to	ADP
ap-1338	121	19	text	text	NOUN
ap-1338	121	20	files	file	NOUN
ap-1338	121	21	(	(	PUNCT
ap-1338	121	22	figure	figure	NOUN
ap-1338	121	23	7	7	NUM
ap-1338	121	24	)	)	PUNCT
ap-1338	121	25	.	.	PUNCT
ap-1338	122	1	optionally	optionally	ADV
ap-1338	122	2	,	,	PUNCT
ap-1338	122	3	the	the	DET
ap-1338	122	4	data	datum	NOUN
ap-1338	122	5	may	may	AUX
ap-1338	122	6	be	be	AUX
ap-1338	122	7	saved	save	VERB
ap-1338	122	8	to	to	ADP
ap-1338	122	9	the	the	DET
ap-1338	122	10	database	database	NOUN
ap-1338	122	11	in	in	ADP
ap-1338	122	12	order	order	NOUN
ap-1338	122	13	to	to	PART
ap-1338	122	14	allow	allow	VERB
ap-1338	122	15	for	for	ADP
ap-1338	122	16	fast	fast	ADJ
ap-1338	122	17	searches	search	NOUN
ap-1338	122	18	of	of	ADP
ap-1338	122	19	multi	multi	ADJ
ap-1338	122	20	-	-	ADJ
ap-1338	122	21	night	night	NOUN
ap-1338	122	22	observations	observation	NOUN
ap-1338	122	23	of	of	ADP
ap-1338	122	24	satellites	satellite	NOUN
ap-1338	122	25	.	.	PUNCT
ap-1338	123	1	php	php	PROPN
ap-1338	123	2	scripts	script	NOUN
ap-1338	123	3	were	be	AUX
ap-1338	123	4	developed	develop	VERB
ap-1338	123	5	to	to	PART
ap-1338	123	6	access	access	VERB
ap-1338	123	7	the	the	DET
ap-1338	123	8	data	datum	NOUN
ap-1338	123	9	via	via	ADP
ap-1338	123	10	the	the	DET
ap-1338	123	11	web	web	NOUN
ap-1338	123	12	browser	browser	NOUN
ap-1338	123	13	.	.	PUNCT
ap-1338	124	1	for	for	ADP
ap-1338	124	2	example	example	NOUN
ap-1338	124	3	,	,	PUNCT
ap-1338	124	4	it	it	PRON
ap-1338	124	5	extracts	extract	VERB
ap-1338	124	6	all	all	DET
ap-1338	124	7	observations	observation	NOUN
ap-1338	124	8	of	of	ADP
ap-1338	124	9	the	the	DET
ap-1338	124	10	given	give	VERB
ap-1338	124	11	satellite	satellite	NOUN
ap-1338	124	12	(	(	PUNCT
ap-1338	124	13	from	from	ADP
ap-1338	124	14	multiple	multiple	ADJ
ap-1338	124	15	nights	night	NOUN
ap-1338	124	16	)	)	PUNCT
ap-1338	124	17	.	.	PUNCT
ap-1338	125	1	the	the	DET
ap-1338	125	2	data	datum	NOUN
ap-1338	125	3	was	be	AUX
ap-1338	125	4	later	later	ADV
ap-1338	125	5	used	use	VERB
ap-1338	125	6	to	to	PART
ap-1338	125	7	fit	fit	VERB
ap-1338	125	8	the	the	DET
ap-1338	125	9	orbital	orbital	ADJ
ap-1338	125	10	parameters	parameter	NOUN
ap-1338	125	11	.	.	PUNCT
ap-1338	126	1	two	two	NUM
ap-1338	126	2	programs	program	NOUN
ap-1338	126	3	were	be	AUX
ap-1338	126	4	tested	test	VERB
ap-1338	126	5	:	:	PUNCT
ap-1338	126	6	findorb	findorb	NOUN
ap-1338	126	7	[	[	X
ap-1338	126	8	8	8	NUM
ap-1338	126	9	]	]	PUNCT
ap-1338	126	10	and	and	CCONJ
ap-1338	126	11	the	the	DET
ap-1338	126	12	custom	custom	NOUN
ap-1338	126	13	developed	develop	VERB
ap-1338	126	14	orbfinder	orbfinder	NOUN
ap-1338	126	15	software	software	NOUN
ap-1338	126	16	.	.	PUNCT
ap-1338	127	1	preliminary	preliminary	ADJ
ap-1338	127	2	tests	test	NOUN
ap-1338	127	3	show	show	VERB
ap-1338	127	4	that	that	SCONJ
ap-1338	127	5	it	it	PRON
ap-1338	127	6	is	be	AUX
ap-1338	127	7	possible	possible	ADJ
ap-1338	127	8	to	to	PART
ap-1338	127	9	fit	fit	VERB
ap-1338	127	10	orbital	orbital	ADJ
ap-1338	127	11	parameters	parameter	NOUN
ap-1338	127	12	using	use	VERB
ap-1338	127	13	“	"	PUNCT
ap-1338	127	14	pi	pi	NOUN
ap-1338	127	15	of	of	ADP
ap-1338	127	16	the	the	DET
ap-1338	127	17	sky	sky	NOUN
ap-1338	127	18	”	"	PUNCT
ap-1338	127	19	data	datum	NOUN
ap-1338	127	20	if	if	SCONJ
ap-1338	127	21	at	at	ADV
ap-1338	127	22	least	least	ADJ
ap-1338	127	23	0.7–1.0	0.7–1.0	NUM
ap-1338	128	1	%	%	NOUN
ap-1338	128	2	of	of	ADP
ap-1338	128	3	the	the	DET
ap-1338	128	4	whole	whole	ADJ
ap-1338	128	5	orbit	orbit	NOUN
ap-1338	128	6	is	be	AUX
ap-1338	128	7	observed	observe	VERB
ap-1338	128	8	.	.	PUNCT
ap-1338	129	1	4	4	NUM
ap-1338	129	2	conclusions	conclusion	NOUN
ap-1338	129	3	the	the	DET
ap-1338	129	4	data	datum	NOUN
ap-1338	129	5	from	from	ADP
ap-1338	129	6	the	the	DET
ap-1338	129	7	prototype	prototype	NOUN
ap-1338	129	8	“	"	PUNCT
ap-1338	129	9	pi	pi	NOUN
ap-1338	129	10	of	of	ADP
ap-1338	129	11	the	the	DET
ap-1338	129	12	sky	sky	NOUN
ap-1338	129	13	”	"	PUNCT
ap-1338	129	14	system	system	NOUN
ap-1338	129	15	was	be	AUX
ap-1338	129	16	used	use	VERB
ap-1338	129	17	to	to	PART
ap-1338	129	18	study	study	VERB
ap-1338	129	19	the	the	DET
ap-1338	129	20	capability	capability	NOUN
ap-1338	129	21	of	of	ADP
ap-1338	129	22	the	the	DET
ap-1338	129	23	system	system	NOUN
ap-1338	129	24	to	to	PART
ap-1338	129	25	discover	discover	VERB
ap-1338	129	26	space	space	NOUN
ap-1338	129	27	debris	debris	NOUN
ap-1338	129	28	elements	element	NOUN
ap-1338	129	29	.	.	PUNCT
ap-1338	130	1	preliminary	preliminary	ADJ
ap-1338	130	2	estimates	estimate	NOUN
ap-1338	130	3	show	show	VERB
ap-1338	130	4	that	that	SCONJ
ap-1338	130	5	the	the	DET
ap-1338	130	6	system	system	NOUN
ap-1338	130	7	is	be	AUX
ap-1338	130	8	able	able	ADJ
ap-1338	130	9	to	to	PART
ap-1338	130	10	observe	observe	VERB
ap-1338	130	11	at	at	ADP
ap-1338	130	12	least	least	ADJ
ap-1338	130	13	half	half	NOUN
ap-1338	130	14	of	of	ADP
ap-1338	130	15	the	the	DET
ap-1338	130	16	objects	object	NOUN
ap-1338	130	17	from	from	ADP
ap-1338	130	18	the	the	DET
ap-1338	130	19	norad	norad	ADJ
ap-1338	130	20	database	database	NOUN
ap-1338	130	21	.	.	PUNCT
ap-1338	131	1	it	it	PRON
ap-1338	131	2	is	be	AUX
ap-1338	131	3	even	even	ADV
ap-1338	131	4	possible	possible	ADJ
ap-1338	131	5	to	to	PART
ap-1338	131	6	observe	observe	VERB
ap-1338	131	7	large	large	ADJ
ap-1338	131	8	and	and	CCONJ
ap-1338	131	9	bright	bright	ADJ
ap-1338	131	10	satellites	satellite	NOUN
ap-1338	131	11	on	on	ADP
ap-1338	131	12	the	the	DET
ap-1338	131	13	geostationary	geostationary	ADJ
ap-1338	131	14	orbit	orbit	NOUN
ap-1338	131	15	.	.	PUNCT
ap-1338	132	1	algorithms	algorithm	NOUN
ap-1338	132	2	for	for	ADP
ap-1338	132	3	automatic	automatic	ADJ
ap-1338	132	4	identification	identification	NOUN
ap-1338	132	5	of	of	ADP
ap-1338	132	6	moving	move	VERB
ap-1338	132	7	objects	object	NOUN
ap-1338	132	8	were	be	AUX
ap-1338	132	9	developed	develop	VERB
ap-1338	132	10	,	,	PUNCT
ap-1338	132	11	tested	test	VERB
ap-1338	132	12	and	and	CCONJ
ap-1338	132	13	seem	seem	VERB
ap-1338	132	14	to	to	PART
ap-1338	132	15	be	be	AUX
ap-1338	132	16	efficient	efficient	ADJ
ap-1338	132	17	.	.	PUNCT
ap-1338	133	1	the	the	DET
ap-1338	133	2	analysis	analysis	NOUN
ap-1338	133	3	is	be	AUX
ap-1338	133	4	still	still	ADV
ap-1338	133	5	going	go	VERB
ap-1338	133	6	on	on	ADP
ap-1338	133	7	,	,	PUNCT
ap-1338	133	8	but	but	CCONJ
ap-1338	133	9	it	it	PRON
ap-1338	133	10	seems	seem	VERB
ap-1338	133	11	that	that	SCONJ
ap-1338	133	12	a	a	DET
ap-1338	133	13	wide	wide	ADJ
ap-1338	133	14	field	field	NOUN
ap-1338	133	15	system	system	NOUN
ap-1338	133	16	like	like	ADP
ap-1338	133	17	“	"	PUNCT
ap-1338	133	18	pi	pi	NOUN
ap-1338	133	19	of	of	ADP
ap-1338	133	20	the	the	DET
ap-1338	133	21	sky	sky	NOUN
ap-1338	133	22	”	"	PUNCT
ap-1338	133	23	could	could	AUX
ap-1338	133	24	be	be	AUX
ap-1338	133	25	used	use	VERB
ap-1338	133	26	successfully	successfully	ADV
ap-1338	133	27	for	for	ADP
ap-1338	133	28	survey	survey	NOUN
ap-1338	133	29	tasks	task	NOUN
ap-1338	133	30	for	for	ADP
ap-1338	133	31	discovering	discover	VERB
ap-1338	133	32	and	and	CCONJ
ap-1338	133	33	calculating	calculate	VERB
ap-1338	133	34	the	the	DET
ap-1338	133	35	orbit	orbit	NOUN
ap-1338	133	36	of	of	ADP
ap-1338	133	37	large	large	ADJ
ap-1338	133	38	and	and	CCONJ
ap-1338	133	39	easy	easy	ADJ
ap-1338	133	40	targets	target	NOUN
ap-1338	133	41	.	.	PUNCT
ap-1338	134	1	acknowledgement	acknowledgement	NOUN
ap-1338	134	2	we	we	PRON
ap-1338	134	3	are	be	AUX
ap-1338	134	4	very	very	ADV
ap-1338	134	5	grateful	grateful	ADJ
ap-1338	134	6	to	to	PART
ap-1338	134	7	g.	g.	PROPN
ap-1338	134	8	pojmanski	pojmanski	VERB
ap-1338	134	9	for	for	ADP
ap-1338	134	10	giving	give	VERB
ap-1338	134	11	access	access	NOUN
ap-1338	134	12	to	to	ADP
ap-1338	134	13	the	the	DET
ap-1338	134	14	asas	asas	PROPN
ap-1338	134	15	dome	dome	PROPN
ap-1338	134	16	and	and	CCONJ
ap-1338	134	17	for	for	ADP
ap-1338	134	18	sharing	share	VERB
ap-1338	134	19	his	his	PRON
ap-1338	134	20	experience	experience	NOUN
ap-1338	134	21	with	with	ADP
ap-1338	134	22	us	we	PRON
ap-1338	134	23	.	.	PUNCT
ap-1338	135	1	we	we	PRON
ap-1338	135	2	would	would	AUX
ap-1338	135	3	like	like	VERB
ap-1338	135	4	to	to	PART
ap-1338	135	5	thank	thank	VERB
ap-1338	135	6	the	the	DET
ap-1338	135	7	staff	staff	NOUN
ap-1338	135	8	of	of	ADP
ap-1338	135	9	the	the	DET
ap-1338	135	10	las	las	PROPN
ap-1338	135	11	campanas	campanas	PROPN
ap-1338	135	12	observatory	observatory	NOUN
ap-1338	135	13	for	for	ADP
ap-1338	135	14	their	their	PRON
ap-1338	135	15	help	help	NOUN
ap-1338	135	16	during	during	ADP
ap-1338	135	17	installation	installation	NOUN
ap-1338	135	18	of	of	ADP
ap-1338	135	19	the	the	DET
ap-1338	135	20	apparatus	apparatus	NOUN
ap-1338	135	21	.	.	PUNCT
ap-1338	136	1	this	this	DET
ap-1338	136	2	work	work	NOUN
ap-1338	136	3	was	be	AUX
ap-1338	136	4	financed	finance	VERB
ap-1338	136	5	by	by	ADP
ap-1338	136	6	the	the	DET
ap-1338	136	7	polish	polish	PROPN
ap-1338	136	8	ministry	ministry	PROPN
ap-1338	136	9	of	of	ADP
ap-1338	136	10	science	science	NOUN
ap-1338	136	11	from	from	ADP
ap-1338	136	12	2005	2005	NUM
ap-1338	136	13	until	until	ADP
ap-1338	136	14	2010	2010	NUM
ap-1338	136	15	as	as	ADP
ap-1338	136	16	a	a	DET
ap-1338	136	17	research	research	NOUN
ap-1338	136	18	project	project	NOUN
ap-1338	136	19	.	.	PUNCT
ap-1338	137	1	references	reference	NOUN
ap-1338	137	2	[	[	X
ap-1338	137	3	1	1	NUM
ap-1338	137	4	]	]	PUNCT
ap-1338	137	5	website	website	NOUN
ap-1338	137	6	the	the	DET
ap-1338	137	7	source	source	NOUN
ap-1338	137	8	for	for	ADP
ap-1338	137	9	space	space	NOUN
ap-1338	137	10	surveillance	surveillance	NOUN
ap-1338	137	11	data	datum	NOUN
ap-1338	137	12	,	,	PUNCT
ap-1338	137	13	http://www.spacetrack.org/tle	http://www.spacetrack.org/tle	PROPN
ap-1338	137	14	format.html	format.html	PROPN
ap-1338	137	15	[	[	X
ap-1338	137	16	2	2	NUM
ap-1338	137	17	]	]	X
ap-1338	137	18	klinkrad	klinkrad	X
ap-1338	137	19	,	,	PUNCT
ap-1338	137	20	h.	h.	PROPN
ap-1338	137	21	,	,	PUNCT
ap-1338	137	22	et	et	PROPN
ap-1338	137	23	al	al	PROPN
ap-1338	137	24	.	.	PUNCT
ap-1338	137	25	:	:	PUNCT
ap-1338	138	1	europe	europe	PROPN
ap-1338	138	2	’s	’s	PART
ap-1338	138	3	eyes	eye	NOUN
ap-1338	138	4	on	on	ADP
ap-1338	138	5	the	the	DET
ap-1338	138	6	skies	sky	NOUN
ap-1338	138	7	—	—	PUNCT
ap-1338	138	8	the	the	DET
ap-1338	138	9	proposal	proposal	NOUN
ap-1338	138	10	for	for	ADP
ap-1338	138	11	a	a	DET
ap-1338	138	12	european	european	ADJ
ap-1338	138	13	space	space	NOUN
ap-1338	138	14	surveillance	surveillance	NOUN
ap-1338	138	15	system	system	NOUN
ap-1338	138	16	,	,	PUNCT
ap-1338	138	17	esa	esa	PROPN
ap-1338	138	18	bulletin	bulletin	PROPN
ap-1338	138	19	133	133	NUM
ap-1338	138	20	(	(	PUNCT
ap-1338	138	21	2008	2008	NUM
ap-1338	138	22	)	)	PUNCT
ap-1338	138	23	.	.	PUNCT
ap-1338	139	1	[	[	X
ap-1338	139	2	3	3	NUM
ap-1338	139	3	]	]	X
ap-1338	139	4	żarnecki	żarnecki	PROPN
ap-1338	139	5	,	,	PUNCT
ap-1338	139	6	a.	a.	PROPN
ap-1338	139	7	f.	f.	PROPN
ap-1338	139	8	,	,	PUNCT
ap-1338	139	9	et	et	PROPN
ap-1338	139	10	al	al	PROPN
ap-1338	139	11	.	.	PROPN
ap-1338	139	12	:	:	PUNCT
ap-1338	139	13	improving	improve	VERB
ap-1338	139	14	photometry	photometry	NOUN
ap-1338	139	15	of	of	ADP
ap-1338	139	16	the	the	DET
ap-1338	139	17	pi	pi	NOUN
ap-1338	139	18	of	of	ADP
ap-1338	139	19	the	the	DET
ap-1338	139	20	sky	sky	NOUN
ap-1338	139	21	,	,	PUNCT
ap-1338	139	22	this	this	DET
ap-1338	139	23	journal	journal	NOUN
ap-1338	139	24	.	.	PUNCT
ap-1338	140	1	[	[	X
ap-1338	140	2	4	4	X
ap-1338	140	3	]	]	PUNCT
ap-1338	140	4	ma	ma	PROPN
ap-1338	140	5	�	�	PROPN
ap-1338	140	6	lek	lek	PROPN
ap-1338	140	7	,	,	PUNCT
ap-1338	140	8	k.	k.	PROPN
ap-1338	140	9	,	,	PUNCT
ap-1338	140	10	et	et	PROPN
ap-1338	140	11	al	al	PROPN
ap-1338	140	12	.	.	PUNCT
ap-1338	140	13	:	:	PUNCT
ap-1338	141	1	pi	pi	NOUN
ap-1338	141	2	of	of	ADP
ap-1338	141	3	the	the	DET
ap-1338	141	4	sky	sky	NOUN
ap-1338	141	5	detector	detector	NOUN
ap-1338	141	6	,	,	PUNCT
ap-1338	141	7	advances	advance	NOUN
ap-1338	141	8	in	in	ADP
ap-1338	141	9	astronomy	astronomy	NOUN
ap-1338	141	10	,	,	PUNCT
ap-1338	141	11	volume	volume	NOUN
ap-1338	141	12	2010	2010	NUM
ap-1338	141	13	(	(	PUNCT
ap-1338	141	14	2010	2010	NUM
ap-1338	141	15	)	)	PUNCT
ap-1338	141	16	,	,	PUNCT
ap-1338	141	17	article	article	NOUN
ap-1338	141	18	i	i	PROPN
ap-1338	141	19	d	d	PROPN
ap-1338	141	20	194946	194946	NUM
ap-1338	141	21	,	,	PUNCT
ap-1338	141	22	9	9	NUM
ap-1338	141	23	pages	page	NOUN
ap-1338	141	24	,	,	PUNCT
ap-1338	141	25	http://www.hindawi.com/journals/aa/2010/	http://www.hindawi.com/journals/aa/2010/	NOUN
ap-1338	141	26	194946.html	194946.html	NUM
ap-1338	142	1	[	[	X
ap-1338	142	2	5	5	NUM
ap-1338	142	3	]	]	X
ap-1338	142	4	sokolowski	sokolowski	NOUN
ap-1338	142	5	,	,	PUNCT
ap-1338	142	6	m.	m.	NOUN
ap-1338	142	7	:	:	PUNCT
ap-1338	142	8	investigation	investigation	NOUN
ap-1338	142	9	of	of	ADP
ap-1338	142	10	astrophysical	astrophysical	ADJ
ap-1338	142	11	phenomena	phenomenon	NOUN
ap-1338	142	12	in	in	ADP
ap-1338	142	13	short	short	ADJ
ap-1338	142	14	time	time	NOUN
ap-1338	142	15	scales	scale	NOUN
ap-1338	142	16	with	with	ADP
ap-1338	142	17	pi	pi	NOUN
ap-1338	142	18	of	of	ADP
ap-1338	142	19	the	the	DET
ap-1338	142	20	sky	sky	NOUN
ap-1338	142	21	apparatus	apparatus	NOUN
ap-1338	142	22	,	,	PUNCT
ap-1338	142	23	phd	phd	NOUN
ap-1338	142	24	thesis	thesis	NOUN
ap-1338	142	25	,	,	PUNCT
ap-1338	142	26	institute	institute	NOUN
ap-1338	142	27	for	for	ADP
ap-1338	142	28	nuclear	nuclear	ADJ
ap-1338	142	29	studies	study	NOUN
ap-1338	142	30	,	,	PUNCT
ap-1338	142	31	jan	jan	PROPN
ap-1338	142	32	2008	2008	NUM
ap-1338	142	33	,	,	PUNCT
ap-1338	142	34	http://arxiv.org/abs/0810.1179	http://arxiv.org/abs/0810.1179	VERB
ap-1338	143	1	[	[	X
ap-1338	143	2	6	6	NUM
ap-1338	143	3	]	]	PUNCT
ap-1338	143	4	soko	soko	PROPN
ap-1338	143	5	�	�	PROPN
ap-1338	143	6	lowski	lowski	PROPN
ap-1338	143	7	,	,	PUNCT
ap-1338	143	8	m.	m.	NOUN
ap-1338	143	9	,	,	PUNCT
ap-1338	143	10	et	et	PROPN
ap-1338	143	11	al	al	PROPN
ap-1338	143	12	.	.	PROPN
ap-1338	143	13	:	:	PUNCT
ap-1338	143	14	automated	automate	VERB
ap-1338	143	15	detection	detection	NOUN
ap-1338	143	16	of	of	ADP
ap-1338	143	17	short	short	ADJ
ap-1338	143	18	optical	optical	ADJ
ap-1338	143	19	transients	transient	NOUN
ap-1338	143	20	of	of	ADP
ap-1338	143	21	astrophysical	astrophysical	ADJ
ap-1338	143	22	origin	origin	NOUN
ap-1338	143	23	in	in	ADP
ap-1338	143	24	real	real	ADJ
ap-1338	143	25	time	time	NOUN
ap-1338	143	26	,	,	PUNCT
ap-1338	143	27	advances	advance	NOUN
ap-1338	143	28	in	in	ADP
ap-1338	143	29	astronomy	astronomy	NOUN
ap-1338	143	30	,	,	PUNCT
ap-1338	143	31	vol	vol	NOUN
ap-1338	143	32	.	.	PUNCT
ap-1338	143	33	2010	2010	NUM
ap-1338	143	34	(	(	PUNCT
ap-1338	143	35	2010	2010	NUM
ap-1338	143	36	)	)	PUNCT
ap-1338	143	37	,	,	PUNCT
ap-1338	143	38	article	article	NOUN
ap-1338	143	39	i	i	PROPN
ap-1338	143	40	d	d	PROPN
ap-1338	143	41	463496	463496	NUM
ap-1338	143	42	,	,	PUNCT
ap-1338	143	43	11	11	NUM
ap-1338	143	44	pages	page	NOUN
ap-1338	143	45	,	,	PUNCT
ap-1338	143	46	http://www.hindawi.com/journals/aa/2010/	http://www.hindawi.com/journals/aa/2010/	NOUN
ap-1338	143	47	463496.html	463496.html	NOUN
ap-1338	144	1	[	[	X
ap-1338	144	2	7	7	NUM
ap-1338	144	3	]	]	PUNCT
ap-1338	144	4	web	web	NOUN
ap-1338	144	5	page	page	NOUN
ap-1338	144	6	of	of	ADP
ap-1338	144	7	predict	predict	ADJ
ap-1338	144	8	package	package	NOUN
ap-1338	144	9	,	,	PUNCT
ap-1338	144	10	http://www.qsl.net/kd2bd/predict.html	http://www.qsl.net/kd2bd/predict.html	PROPN
ap-1338	144	11	[	[	X
ap-1338	144	12	8	8	NUM
ap-1338	144	13	]	]	PUNCT
ap-1338	144	14	web	web	NOUN
ap-1338	144	15	page	page	NOUN
ap-1338	144	16	of	of	ADP
ap-1338	144	17	findorb	findorb	NOUN
ap-1338	144	18	package	package	NOUN
ap-1338	144	19	,	,	PUNCT
ap-1338	144	20	http://www.projectpluto.com/find	http://www.projectpluto.com/find	PROPN
ap-1338	144	21	orb.htm	orb.htm	NUM
ap-1338	144	22	107	107	NUM
ap-1338	144	23	acta	acta	PROPN
ap-1338	144	24	polytechnica	polytechnica	PROPN
ap-1338	144	25	vol	vol	NOUN
ap-1338	144	26	.	.	PUNCT
ap-1338	145	1	51	51	NUM
ap-1338	145	2	no	no	NOUN
ap-1338	145	3	.	.	PUNCT
ap-1338	146	1	2/2011	2/2011	NUM
ap-1338	146	2	m.	m.	NOUN
ap-1338	146	3	soko	soko	PROPN
ap-1338	146	4	�	�	PROPN
ap-1338	146	5	lowski	lowski	PROPN
ap-1338	146	6	e	e	NOUN
ap-1338	146	7	-	-	NOUN
ap-1338	146	8	mail	mail	NOUN
ap-1338	146	9	:	:	PUNCT
ap-1338	146	10	msok@fuw.edu.pl	msok@fuw.edu.pl	PROPN
ap-1338	146	11	the	the	DET
ap-1338	146	12	andrzej	andrzej	PROPN
ap-1338	146	13	soltan	soltan	PROPN
ap-1338	146	14	institute	institute	PROPN
ap-1338	146	15	for	for	ADP
ap-1338	146	16	nuclear	nuclear	ADJ
ap-1338	146	17	studies	study	NOUN
ap-1338	146	18	hoża	hoża	PROPN
ap-1338	146	19	69	69	NUM
ap-1338	146	20	,	,	PUNCT
ap-1338	146	21	00	00	NUM
ap-1338	146	22	-	-	SYM
ap-1338	146	23	681	681	NUM
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ap-1338	146	25	,	,	PUNCT
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ap-1338	147	2	m.	m.	NOUN
ap-1338	147	3	należyty	należyty	PROPN
ap-1338	147	4	university	university	PROPN
ap-1338	147	5	of	of	ADP
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ap-1338	147	7	astronomical	astronomical	PROPN
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ap-1338	147	9	al	al	PROPN
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ap-1338	147	11	ujazdowskie	ujazdowskie	PROPN
ap-1338	147	12	4	4	NUM
ap-1338	147	13	,	,	PUNCT
ap-1338	147	14	00	00	NUM
ap-1338	147	15	-	-	SYM
ap-1338	147	16	478	478	NUM
ap-1338	147	17	warsaw	warsaw	PROPN
ap-1338	147	18	,	,	PUNCT
ap-1338	147	19	poland	poland	PROPN
ap-1338	147	20	a.	a.	PROPN
ap-1338	147	21	majczyna	majczyna	PROPN
ap-1338	147	22	the	the	DET
ap-1338	147	23	andrzej	andrzej	PROPN
ap-1338	147	24	soltan	soltan	PROPN
ap-1338	147	25	institute	institute	PROPN
ap-1338	147	26	for	for	ADP
ap-1338	147	27	nuclear	nuclear	ADJ
ap-1338	147	28	studies	study	NOUN
ap-1338	147	29	hoża	hoża	PROPN
ap-1338	147	30	69	69	NUM
ap-1338	147	31	,	,	PUNCT
ap-1338	147	32	00	00	NUM
ap-1338	147	33	-	-	SYM
ap-1338	147	34	681	681	NUM
ap-1338	147	35	warsaw	warsaw	PROPN
ap-1338	147	36	,	,	PUNCT
ap-1338	147	37	poland	poland	PROPN
ap-1338	147	38	r.	r.	PROPN
ap-1338	147	39	wawrzaszek	wawrzaszek	PROPN
ap-1338	147	40	space	space	NOUN
ap-1338	147	41	research	research	NOUN
ap-1338	147	42	center	center	NOUN
ap-1338	147	43	of	of	ADP
ap-1338	147	44	the	the	DET
ap-1338	147	45	polish	polish	PROPN
ap-1338	147	46	academy	academy	PROPN
ap-1338	147	47	of	of	ADP
ap-1338	147	48	sciences	sciences	PROPN
ap-1338	147	49	bartycka	bartycka	PROPN
ap-1338	147	50	18a	18a	NOUN
ap-1338	147	51	,	,	PUNCT
ap-1338	147	52	00	00	NUM
ap-1338	147	53	-	-	SYM
ap-1338	147	54	716	716	NUM
ap-1338	147	55	warsaw	warsaw	NOUN
ap-1338	147	56	,	,	PUNCT
ap-1338	147	57	poland	poland	PROPN
ap-1338	147	58	p.	p.	PROPN
ap-1338	147	59	wajer	wajer	NOUN
ap-1338	147	60	space	space	NOUN
ap-1338	147	61	research	research	NOUN
ap-1338	147	62	center	center	NOUN
ap-1338	147	63	of	of	ADP
ap-1338	147	64	the	the	DET
ap-1338	147	65	polish	polish	PROPN
ap-1338	147	66	academy	academy	PROPN
ap-1338	147	67	of	of	ADP
ap-1338	147	68	sciences	sciences	PROPN
ap-1338	147	69	bartycka	bartycka	PROPN
ap-1338	147	70	18a	18a	NOUN
ap-1338	147	71	,	,	PUNCT
ap-1338	147	72	00	00	NUM
ap-1338	147	73	-	-	SYM
ap-1338	147	74	716	716	NUM
ap-1338	147	75	warsaw	warsaw	NOUN
ap-1338	147	76	,	,	PUNCT
ap-1338	147	77	poland	poland	PROPN
ap-1338	147	78	108	108	NUM