VizieR

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The 1 column 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)
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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	0.260	0150-05823053	137.691245	-71.480139			13.7	12.1	1980.242

Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars. The version 1.2 is a new astrometric reduction which results in absolute position errors about 0.3-0.4 arcsec. (see GSC pages at URL http://www-gsss.stsci.edu/gsc/gsc.html)

I/254/out The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
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2001AJ....121.1752M
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The Full Catalogue (25241730 positions) (25241730 rows)

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Full	_r arcsec	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Plate	Epoch yr
1	0.20	0920300688	137.69116	-71.48014	0.3	13.25	0.42	0	3	04C1	1978.106
2	0.33	0920300688	137.69123	-71.48017	0.3	13.25	0.40	0	3	0195	1976.253

Note: The GSC-ACT (or GSC1.3) is a recalibration of the GSC1.1, the catalogue constructed to support the operational need of the Hubble Space Telescope, with the ACT, the combination of the Astrographic Catalogue and the Tycho catalogue derived from the Hipparcos mission; see http://www.projectpluto.com/gsc_act.htm for more details about this recalibration.

I/255/out The HST Guide Star Catalog, Version GSC-ACT (Lasker+ 1996-99)
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The GSC-ACT Full Catalogue (25241730 positions) (25241730 rows)

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Full	_r arcsec	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Epoch yr
1	0.06	0920300688	137.69111	-71.48008	0.3	13.28	0.46	0	3	1978.106
2	0.19	0920300688	137.69123	-71.48011	0.3	13.28	0.41	0	3	1976.253

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	0.314	S1133001134	137.691200	-71.480014	1991.131	11.74	0.40	13.58	0.41	0	8.68	0.09

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)
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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	0.464	0185-0170826	137.691478	-71.480081	54	206	1984.9	0	0	4		11.33	14.21	11.89	11.21

Note: More recent versions available: UCAC3 (I/315) and UCAC4 (I/322); see also the UCAC home page at http://ad.usno.navy.mil/ucac/

I/289/out UCAC2 Catalogue (Zacharias+ 2004)
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2004AJ....127.3043Z
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The Second U.S. Naval Observatory CCD Astrograph Catalog (48330571 rows)

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Full	_r arcsec	2UCAC	RAJ2000 deg	e_ mas	DEJ2000 deg	e_ mas	UCmag mag	No	Nc	pmRA mas/yr	pmDE mas/yr	2Mkey	Jmag mag	Kmag mag
1	0.034	01361464	137.6910942	15	-71.4800845	15	12.13	4	2	-9.1	10.6	722213529	10.533	9.767

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
metaI/297/out

The NOMAD-1 Catalog (1117612732 rows)

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Full	_r arcsec	NOMAD1	YM	RAJ2000 deg	DEJ2000 deg	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	0.034	0185-0171486	YM	137.6910942	-71.4800844	C	-9.1	5.4	10.6	5.4	13.300	Y	12.810	Y	11.890	B	10.533	9.939	9.767	R

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)
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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	0.320	S4OX000134	137.691200	-71.480012	1991.131	11.74	13.58		11.42	3	8.68	0.09

Note: The limiting magnitude is about 15.2 in the GSC photometric system.

I/312/sample PPMX Catalog of positions and proper motions (Roeser+ 2008)
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2008A&A...488..401R
metaI/312/sample

The PPMX Catalog (Position and Proper Motions eXtended) (18088919 rows)

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Full	_r arcsec	PPMX	RAJ2000 deg	DEJ2000 deg	pmRA mas/yr	pmDE mas/yr	Cmag mag	Rmag mag	Jmag mag	Hmag mag	Kmag mag	Nobs	P	sub
1	0.033	091045.8-712848	137.691091	-71.480084	-7.98	6.07	13.250	12.357	10.533	9.939	9.767	4		S

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	SrcID	RAJ2000 deg	DEJ2000 deg	Name	PriOrSec	J-Kspnt mag	J-Ksext mag	Mclass	AY mag	AJ mag	AH mag	AKs mag	Jpmag mag	Jap3 mag	Japc3 mag	Javgap3	Jperrbits	Kspmag mag	Ksap3 mag	Ksapc3 mag	Ksavgap3	Ksperrbits
1	0.043	472626104462	137.691050	-71.480082	VHS J091045.85-712848.2	472446404286	0.7717	0.8411	-1	0.1552	0.1100	0.0702	0.0460	11.1656	11.6615	11.9129	35.955	4194448	10.5755	10.8897	11.0718	36.707	4194448
2	0.122	472659832427	137.691043	-71.480059	VHS J091045.85-712848.2	472446404286	0.6419	0.8186	-1	0.1552	0.1100	0.0702	0.0460	10.9665	10.9381	11.4205	107.514	16	10.1104	10.2962	10.6019	106.631	0
3	3.404	472626107046	137.693369	-71.479489	VHS J091046.40-712846.1	0			1	0.1553	0.1100	0.0702	0.0460					0	16.7815	15.2766	15.4587	38.294	4194448