VizieR

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The 3 columns in color are computed by VizieR, and are not part of the original data.

Note: USNO-A2.0 contains 526,280,881 sources, and is based on a re-reduction of the Precision Measuring Machine (PMM) scans from POSS-I O and E plates (>=-18°) and SRC-J and ESO-R plates (<=-20°). USNO-A2.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory.
The major difference between USNO-A2.0 and its previous version USNO-A1.0 is that A1.0 used the Guide Star Catalog as its reference frame whereas A2.0 uses the ICRF as realized by the USNO ACT catalog (Urban et al. 1997). The VizieR search engine uses an on-line compressed version (3.6Gbytes) which was generated at CDS.

I/252/out The USNO-A2.0 Catalogue (Monet+ 1998)
ReadMe+ftp

metaI/252/out

The Full Catalogue (526280881 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-A2.0	RAJ2000 deg	DEJ2000 deg	ACTflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	2.198	19 02 41.06136	+75 18 51.3000	1650-02102451	285.671089	+75.314250			19.0	18.0	1954.572
2	7.338	19 02 40.37472	+75 18 46.1700	1650-02102429	285.668228	+75.312825			18.9	18.6	1953.608

Note: The current version includes only the North (POSS-I plates)

I/267/out The APM-North Catalogue (McMahon+, 2000)
ReadMe+ftp

metaI/267/out

The Full Northern APM Catalogue (166466987 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	APM-ID	RAJ2000 deg	DEJ2000 deg	rmag mag	l_	rClass	rStel	rDiam arcsec	rEll	bmag mag	l_	bClass	bStel	bDiam arcsec	b-r mag	Mflag
1	1.784	19 02 41.11752	+75 18 51.9120	EO0832-0346761	285.671323	+75.314420	18.08		2	14.32	12.7	0.53	18.89		1	13.09	14.0	0.81
2	3.776	19 02 40.55400	+75 18 49.6728	EO0776-0333382	285.668975	+75.313798	17.57		2	20.96	14.1	0.69	18.92		2	13.05	13.3	1.35

Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

I/271/out The GSC 2.2 Catalogue (STScI, 2001)
ReadMe+ftp

metaI/271/out

The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag mag	e_ mag	Class	a pix	e
1	1.489	19 02 40.99368	+75 18 51.9624	N01013011112	285.670807	+75.314434	1993.557	18.31	0.43			3	2.61	0.03
2	7.299	19 02 40.52160	+75 18 46.0980	N01013011113	285.668840	+75.312805	1993.552	18.37	0.42			3	3.50	0.29

Note: The USNO-B Catalog presents positions, proper motions, magnitudes un blue, red and infrared, as well as star/galaxy estimators for 1,045,175,762 objects derived from 3,648,832,040 separate observations. The data were taken from scans of 7,435 Schmidt plates taken from various sky surveys during the last 50 years.
USNO-B1.0 catalog was created by Dave Monet and collaborators at http://www.nofs.navy.mil/data/fchpix/
Note that the star/galaxy estimators may be mixed up in dense regions.

I/284/out The USNO-B1.0 Catalog (Monet+ 2003)
ReadMe+ftp
2003AJ....125..984M
metaI/284/out

The Whole-Sky USNO-B1.0 Catalog of 1,045,913,669 sources (1045175762 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-B1.0	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 mas	e_DEJ2000 mas	Epoch yr	pmRA mas/yr	pmDE mas/yr	Ndet	B1mag mag	R1mag mag	B2mag mag	R2mag mag	Imag mag
1	1.135	19 02 40.92216	+75 18 52.2324	1653-0089166	285.670509	+75.314509	141	154	1977.9	0	0	5	19.67	18.37	20.44	18.61	18.20
2	2.068	19 02 40.78680	+75 18 51.2424	1653-0089165	285.669945	+75.314234	930	289	1980.9	0	0	3		19.50	19.39		17.22
3	3.732	19 02 40.47888	+75 18 49.8132	1653-0089162	285.668662	+75.313837	688	780	1975.5	0	0	2		16.81			17.51
4	6.620	19 02 40.32744	+75 18 46.9620	1653-0089160	285.668031	+75.313045	207	132	1977.9	0	14	5	19.87	18.62	20.14	18.51	18.47
5	7.128	19 02 42.34752	+75 18 57.4632	1653-0089168	285.676448	+75.315962	37	999	1966.9	824	452	3	21.07	19.65	20.97
6	7.517	19 02 41.50872	+75 18 46.2528	1653-0089167	285.672953	+75.312848	999	999	1974.0	0	0	4	21.05	18.88		20.23	17.71

Note: The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos (I/239), Tycho-2 (I/259), UCAC2 (I/289), and USNO-B1.0 (I/284) catalogs for astrometry and optical photometry, supplemented by 2MASS (II/246) near-infrared photometry.
An efficient remote query program findnomad1 is available in the cdsclient package, for Unix/Linux platforms

I/297/out NOMAD Catalog (Zacharias+ 2005)
ReadMe+ftp
2004AAS...205.4815Z
metaI/297/out

The NOMAD-1 Catalog (1117612732 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	NOMAD1	YM	RAJ2000 deg	DEJ2000 deg	r	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Bmag mag	r_	Rmag mag	r_
1	1.137	19 02 40.921992	+75 18 52.22988	1653-0090186	..	285.6705083	+75.3145083	B	0.0	0.0	0.0	0.0	20.440	B	18.610	B
2	2.071	19 02 40.786656	+75 18 51.23988	1653-0090185	..	285.6699444	+75.3142333	B	0.0	0.0	0.0	0.0	19.390	B	19.500	e
3	3.735	19 02 40.478664	+75 18 49.80996	1653-0090182	..	285.6686611	+75.3138361	B	0.0	0.0	0.0	0.0			16.810	e
4	6.622	19 02 40.327344	+75 18 46.95984	1653-0090180	..	285.6680306	+75.3130444	B	0.0	6.0	14.0	4.0	20.140	B	18.510	B
5	7.126	19 02 42.347328	+75 18 57.45996	1653-0090188	..	285.6764472	+75.3159611	B	824.0	0.0	452.0	97.0	20.970	B	19.650	e
6	7.520	19 02 41.508672	+75 18 46.24992	1653-0090187	..	285.6729528	+75.3128472	B	0.0	0.0	0.0	0.0	21.050	o	20.230	B

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, B_j<19.5) were removed.

I/305/out The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
ReadMe+ftp
2008AJ....136..735L
metaI/305/out

The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	1.486	19 02 40.99392	+75 18 51.9660	N0VL001112	285.670808	+75.314435	1993.557	18.31	19.96	18.70	17.83	3	2.61	0.03
2	7.581	19 02 40.39800	+75 18 45.9000	N0VL001113	285.668325	+75.312750	1993.557	18.64	19.96		17.69	3	2.99	0.26

I/317/sample

Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	pmRA mas/yr	pmDE mas/yr	b1mag mag	b2mag mag	r1mag mag	r2mag mag	imag mag	No	fl
1	1.333	19 02 40.88304	+75 18 51.9912	285.670346	+75.314442	-5.9	-0.9	19.67	20.44	18.37	18.61	18.20	5	0
2	2.302	19 02 40.62120	+75 18 51.1380	285.669255	+75.314205	-16.8	4.4		19.39	19.50		17.22	3	0
3	3.628	19 02 40.30344	+75 18 50.2668	285.667931	+75.313963	-17.8	15.7			16.81		17.51	2	0
4	6.894	19 02 42.36984	+75 18 56.9124	285.676541	+75.315809	823.7	423.3	21.07	20.97	19.65			3	1
5	6.981	19 02 40.31592	+75 18 46.5984	285.667983	+75.312944	-2.5	10.0	19.87	20.14	18.62	18.51	18.47	5	0
6	7.505	19 02 40.49856	+75 18 45.9036	285.668744	+75.312751	-87.0	-1.7	21.05		18.88	20.23	17.71	4	1

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 (...)	e_DEJ2000 arcsec	magBJ mag	e_ mag	magRF mag	e_ mag	magG mag	e_ mag	magGrvs mag	e_ mag	alphaEpoch yr	deltaEpoch yr	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)
1	1.333	19 02 40.88305	+75 18 51.9909	285.670346	+75.314442	0.103	0.103	19.959	0.300	18.307	0.300	18.542	0.400	17.281	0.500	1977.9700	1977.9700	-5.9	5.2	-0.9	5.2
2	2.302	19 02 40.62120	+75 18 51.1382	285.669255	+75.314205	0.133	0.133	19.390	0.400	19.500	0.400	19.452	0.400	19.455	0.500	1980.9500	1980.9500	-16.8	6.9	4.4	6.9
3	6.894	19 02 42.36986	+75 18 56.9120	285.676541	+75.315809	0.133	0.163	20.970	0.400	19.650	0.400	19.890	0.400	18.842	0.500	1966.9600	1966.9600	823.7	7.3	423.3	8.0
4	6.981	19 02 40.31593	+75 18 46.5982	285.667983	+75.312944	0.103	0.103	20.140	0.400	18.510	0.400	18.747	0.400	17.499	0.500	1977.9700	1977.9700	-2.5	5.2	10.0	5.2
5	7.505	19 02 40.49852	+75 18 45.9038	285.668744	+75.312751	0.133	0.133	19.960	0.300	18.643	0.300	18.882	0.400	17.837	0.500	1977.2900	1977.2900	-87.0	6.6	-1.7	7.0

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Gmag mag	OMag mag	Bjmag mag	Fpgmag mag	Epgmag mag	Npgmag mag	Umag mag	Bmag mag	Vmag mag	umag mag	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	Jmag mag	Hmag mag	Ksmag mag	Zmag mag	Ymag mag	W1mag mag	W2mag mag	W3mag mag	W4mag mag	FUVmag mag	NUVmag mag	a pix	e pix	PA pix
1	1.430	19 02 40.9751135027	+75 18 51.911465306	N0VL001112	285.67068516365	+75.31443823264	101013011112	2015.500	0	20.044907	19.969300	19.959200	18.307100		17.830800					19.790	19.252	18.808	18.745	18.5916						14.925	14.287	10.977	8.816			2.614	0.030	104.2
2	7.531	19 02 40.2726914775	+75 18 46.081427706	N0VL001113	285.66807661000	+75.31277934000	101013011113	2013.450	3			19.960200	18.643600		17.688800					20.159	19.579	19.248	19.062	18.8480												2.990	0.262	22.2

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	objID	f_objID	Qual	e_RAJ2000 (...)	e_DEJ2000 arcsec	Epoch d	Ns	Nd	gmag mag	e_ mag	gKmag mag	e_ mag	gFlags	rmag mag	e_ mag	rKmag mag	e_ mag	rFlags	imag mag	e_ mag	iKmag mag	e_ mag	iFlags	zmag mag	e_ mag	zKmag mag	e_ mag	zFlags	ymag mag	e_ mag	yKmag mag	e_ mag	yFlags
1	1.428	19 02 40.96375200	+75 18 51.9792840	285.670682300	+75.314438690	198372856707988141	444915712	53	0.0072	0.0071	56320.844837960	10	82	19.7898	0.0236	19.6117	0.0353	16892216	19.2519	0.0221	18.9414	0.0195	16892216	18.8078	0.0135	18.4644	0.0112	16892216	18.7454	0.0248	18.3084	0.0164	16892216	18.5916	0.0568	18.2883	0.1039	16892216
2	7.531	19 02 40.33838640	+75 18 46.0056240	285.668076610	+75.312779340	198372856682786165	444915712	53	0.0080	0.0111	56304.449861110	10	79	20.1590	0.0259	19.7501	0.0445	16892216	19.5794	0.0273	18.9931	0.0238	16892216	19.2482	0.0251	18.6586	0.0126	16892216	19.0624	0.0141	18.5103	0.0175	16892216	18.8480	0.0385	18.1212	0.0697	16892216

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	objID	RAJ2000 deg	DEJ2000 deg	FW1 309.05nJy	FW2 167.66nJy	e_FW1 309.05nJy	e_FW2 167.66nJy	q_W1	q_W2	fFW1	fFW2
1	1.327	19 02 40.966542	+75 18 52.09260	2845p757o0009927	285.6706939	+75.3144702	9.1691e+02	1.5307e+03	6.9479e+00	2.1984e+01	1.00000	1.00000	0.8371	0.8397
2	7.489	19 02 40.342762	+75 18 46.04421	2845p757o0048802	285.6680948	+75.3127901	6.2288e+02	7.5939e+02	6.4018e+00	2.0198e+01	1.00000	1.00000	0.7021	0.5653

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ arcsec	DE_ICRS deg	e_ arcsec	Name	nW1	mW1	nW2	mW2	RAPMdeg deg	e_ arcsec	DEPMdeg deg	e_ arcsec	pmRA arcsec/yr	e_ (...)	pmDE arcsec/yr	e_ (...)	snrW1pm	snrW2pm	FW1pm ct	e_ ct	FW2pm ct	e_ ct	W1mproPM mag	W2mproPM mag	pmQual	Dist arcsec	snrdELON	snrdELAT	chi2pmRA	chi2pmDE	ka	k1	k2	km	Sep arcsec	abf	WISEA
1	1.404	19 02 40.974413	+75 18 52.02246	285.6707267	0.0349	+75.3144507	0.0480	J190240.97+751852.0	12	12	12	12	285.6707383	0.0380	75.3144554	0.0512	0.01962	0.0085	0.00613	0.0102	57.5	61.8	9.0e+02	2e+01	1.6e+03	3e+01	15.112	14.511	3N000	0.159	0.213	1.632	1.01e+00	3.44e+00	3	3	3	3	1.308	00	WISEA
2	7.449	19 02 40.340910	+75 18 46.08786	285.6680871	0.0437	+75.3128022	0.0548	J190240.34+751846.0	12	12	12	12	285.6680583	0.0454	75.3127949	0.0571	0.01878	0.0124	-0.02394	0.0149	58.3	41.3	6.0e+02	1e+01	7.2e+02	2e+01	15.549	15.351	2N000	0.005	0.496	0.030	3.60e+01	9.84e+00	3	3	3	3		00	WISEA

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	id	RAJ2000 deg	DEJ2000 deg	release	brickid	objid	type	pstar	gmmcomp	zphot	e_	fclean	fqual
1	1.430	19 02 40.96443927648	+75 18 51.9776375113	8001651169003164	285.670685163652	+75.314438232642	8001	651169	3164	REX	0.003	R3	0.199	0.053	1	1
2	7.539	19 02 40.34651360352	+75 18 45.9897702768	8001651169003163	285.668110473348	+75.312774936188	8001	651169	3163	EXP	0.002	E4	0.128	0.030	1	1

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	dr8Id	RAJ2000 deg	DEJ2000 deg	SFSM	SFFDF	SFAF	DEOYes	DEONo	SAYes	SANo	BS	BW	BNo	BSD	BSL	BSM	BSS	BSNo	RR	RIB	RCS	EOBB	EOBNo	EOBR	SWT	SWM	SWL	SAC1	SAC2	SAC3	SAC4	SAC4+	SACCT	MNo	MMiD	MMaD	MM	Version
1	1.431	19 02 40.96440	+75 18 51.9770	651169_3164	285.670685	+75.314438	0.88	0.04	0.08													0.47	0.51	0.02													0.77	0.11	0.03	0.09	1.0.0
2	7.538	19 02 40.34640	+75 18 45.9900	651169_3163	285.668110	+75.312775	0.88	0.05	0.07													0.07	0.90	0.03													0.78	0.11	0.03	0.08	1.0.0