VizieR

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The 1 column in color are computed by VizieR, and are not part of the original data.

Note: USNO-A1.0 contains 488,006,860 sources, and was compiled from the blue/red overlaps of the detection lists generated from scans of POSS-I O and E plates (>=-30°) and SRC-J and ESO-R plates (<=-35°). USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.
The VizieR search engine uses an on-line compressed version (3.4Gbytes) which was generated at CDS.

I/243/out The PMM USNO-A1.0 Catalogue (Monet 1997)
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metaI/243/out

The Full Catalogue (488006860 rows) (Note)

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Full	_r arcsec	USNO-A1.0	RA_ICRS deg	DE_ICRS deg	GSCflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	6.076	0900-17295958	299.156273	+03.459089			20.0	18.3	1951.577
2	6.492	0900-17296010	299.156462	+03.459375			19.5	18.6	1953.677

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)
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metaI/252/out

The Full Catalogue (526280881 rows) (Note)

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Full	_r arcsec	USNO-A2.0	RAJ2000 deg	DEJ2000 deg	ACTflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	6.216	0900-17158769	299.156681	+03.459406			18.7	18.4	1953.677

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

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Full	_r arcsec	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag mag	e_ mag	Class	a pix	e
1	5.996	N021211129046	299.156582	+03.459286	1990.702	18.36	0.42			3	2.20	0.05

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	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	6.197	0934-0560402	299.156548	+03.459331	26	79	1976.4	0	0	5	19.71	18.53	19.05	18.31	17.96

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)
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2004AAS...205.4815Z
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The NOMAD-1 Catalog (1117612732 rows)

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Full	_r arcsec	NOMAD1	RAJ2000 deg	DEJ2000 deg	YM	r	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Bmag mag	r_	Vmag mag	r_	Rmag mag	r_	Jmag mag	Hmag mag	Kmag mag	R
1	6.197	0934-0611739	299.1565472	+03.4593306	YM	B	0.0	0.0	0.0	0.0	19.050	B	17.970	Y	18.310	B	17.053	16.359	15.990

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

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Full	_r arcsec	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	5.997	N1W5029046	299.156583	+03.459287	1990.702	18.36	19.53	18.49	17.78	0	2.20	0.05

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	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Gmag mag	OMag mag	Bjmag mag	Fpgmag mag	Npgmag mag	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	Jmag mag	Hmag mag	Ksmag mag	a pix	e pix	PA pix
1	5.978	N1W5029046	299.15656103825	+03.45926808503	1021211129046	2015.500	0	18.507662	19.930900	19.534700	18.361100	17.779600	19.097	18.474	18.198	18.103	17.9794	17.053	16.360	15.991	2.198	0.054	178.3
2	6.996	N1W5088929	299.15865486000	+03.45634585000	1021211188929	2012.722	3							21.836	21.921	20.954
3	8.286	N1W5087592	299.15954881000	+03.45698024000	1021211187592	2013.748	3								21.665

Full	_r arcsec	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	5.982	299.156560580	+03.459268960	112152991565541595	436527104	52	0.0046	0.0049	55849.794444440	5	81	19.0971	0.0062	19.2282	0.0175	115000	18.4735	0.0027	18.5623	0.0081	115000	18.1975	0.0081	18.2867	0.0190	115000	18.1029	0.0121	18.2005	0.0193	115000	17.9794	0.0143	18.0624	0.0404	115000
2	6.996	299.158654860	+03.456345850	112142991586437985	1375805440	164	0.0935	0.0935	56215.721782410	1	3					16416	21.8362	0.1441	21.7768	0.2154	16793912	21.9210	0.1841			115000	20.9538	0.1628	20.7900	0.2700	16696					16416
3	8.286	299.159548810	+03.456980240	112142991595198845	436281344	52	0.0968	0.0968	56518.748125000	2	3					16416					16416	21.6649	0.0601	22.0106	0.0022	115000					114720					16416

Full	_r arcsec	objID	RAJ2000 deg	DEJ2000 deg	f_objID	Qual	e_RAJ2000 deg	e_DEJ2000 deg	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	5.998	112152991565541595	299.15655846198	+03.45927312579	436527104	52	0.00130459704	0.00128104161	55836.997094099	5	81	19.0971	0.0061	19.2282	0.0145	115000	18.4735	0.0026	18.5623	0.0094	115000	18.1975	0.0083	18.2867	0.0180	115000	18.1029	0.0111	18.2005	0.0191	115000	17.9794	0.0140	18.0624	0.0365	115000
2	6.997	112142991586437985	299.15865593626	+03.45634635401	1375809536	164	0.05071475470	0.05071475470	56216.294046086	1	3					16416	21.8362	0.1441	21.7768	0.2154	16793912	21.9210	0.1841			115000	20.9538	0.1628	20.7900	0.2700	16696					16416
3	8.304	112142991595198845	299.15955524873	+03.45698256558	436285440	52	0.05249012602	0.05249012602	56518.747944095	2	3					16416					16416	21.6649	0.0601	22.0106	0.0042	115000					114720					16416