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	0.344	0450-40125768	334.071064	-43.905467			15.5	14.2	1980.613

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	0.25	0800201385	334.07114	-43.90554	0.3	15.55	0.40	0	0	01W9	1975.533

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	0.32	0800201385	334.07109	-43.90553	0.3	15.59	0.44	0	0	1975.533

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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metaI/271/out

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	0.190	S3303322536	334.071128	-43.905461	1990.781	14.25	0.43	15.26	0.18	0	4.53	0.13

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	0.108	0460-0749884	334.071153	-43.905481	306	28	1984.9	6	-14	4		14.32	16.19	14.51	13.34

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	0.053	13261845	334.0711865	42	-43.9054962	28	14.45	4	2	12.5	1.7	156423698	13.298	12.761

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	0.052	0460-0840465	YM	334.0711864	-43.9054961	C	12.4	5.4	1.7	5.2	15.200	Y	14.480	Y	14.510	B	13.298	12.833	12.761	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	0.191	SC1M000536	334.071129	-43.905459	1990.781	14.25	15.26		13.83	0	4.53	0.13

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	0.049	221617.0-435419	334.071186	-43.905495	10.10	4.36	15.550	14.789	13.298	12.833	12.761	3		O

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	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	0.106	SC1M000536	334.07123520112	-43.90548560212	23303322536	2015.500	0	14.622454		15.256400	14.251900		13.832100		15.591000	14.825000	16.637	15.158	14.611	14.345	14.301		13.246	12.833	12.722			12.683	12.697	12.460	8.911		19.521	4.529	0.128	31.3
2	3.651	SC1M059530	334.06995249300	-43.90596004860	2330332259530	2012.000	3																		17.871

Full	_r arcsec	RAJ2000 deg	DEJ2000 deg	DES	CoadID	Aimg pix	Bimg pix	PA deg	S/Gg	S/Gr	S/Gi	S/Gz	S/GY	gmag mag	rmag mag	imag mag	zmag mag	Ymag mag	gFlag	rFlag	iFlag	zFlag	YFlag
1	0.047	334.071183000	-43.905473000	J221617.08-435419.7	76080502	7.779	7.054	-22.55281	0.898	0.798	0.825	0.648	0.987	15.8411	17.6540	17.4399	16.8484	14.1968	3	3	3	3	3
2	2.035	334.070413000	-43.905434000	J221616.89-435419.5	76079520	2.801	1.787	4.61141	0.984	0.121	0.963	0.181	0.827	19.7166	20.1790	19.9452	18.8704	18.4519	3	3	3	3	3

Full	_r arcsec	SrcID	RAJ2000 deg	DEJ2000 deg	FrameID	PriOrSec	Y-Jpnt mag	J-Hpnt mag	H-Kspnt mag	J-Kspnt mag	Y-Jext mag	J-Hext mag	H-Ksext mag	J-Ksext mag	Mclass	Ypmag mag	Yap3 mag	Yapc3 mag	Yavgap3	Yperrbits	Jpmag mag	Jap3 mag	Japc3 mag	Javgap3	Jperrbits	Hpmag mag	Hap3 mag	Hapc3 mag	Havgap3	Hperrbits	Kspmag mag	Ksap3 mag	Ksapc3 mag	Ksavgap3	Ksperrbits
1	0.077	473553817465	334.071169	-43.905472	472446411096	0				0.5243				0.6308	-1					0	13.2472	13.2460	13.5517	103.693	0					0	12.7536	12.7217	12.9209	102.528	0
2	3.652	473553887662	334.069952	-43.905960	472446411096	0									1					0					0					0	17.8710	18.5148	18.7139	94.106	0

Full	_r arcsec	SrcID	RAJ2000 deg	DEJ2000 deg	Name	PriOrSec	Y-Jpnt mag	J-Hpnt mag	H-Kspnt mag	J-Kspnt mag	Y-Jext mag	J-Hext mag	H-Ksext mag	J-Ksext mag	Mclass	AY mag	AJ mag	AH mag	AKs mag	Ypmag mag	Yap3 mag	Yapc3	Yavgap3	Yperrbits	Jpmag mag	Jap3 mag	Japc3 mag	Javgap3	Jperrbits	Hpmag mag	Hap3 mag	Hapc3 mag	Havgap3	Hperrbits	Kspmag mag	Ksap3 mag	Ksapc3 mag	Ksavgap3	Ksperrbits
1	0.077	472917085134	334.071169	-43.905472	VHS J221617.08-435419.6	0				0.5243				0.6308	-1	0.0160	0.0113	0.0072	0.0047					0	13.2472	13.2460	13.5517	103.693	0					0	12.7536	12.7217	12.9209	102.528	0
2	3.652	472917155331	334.069952	-43.905960	VHS J221616.78-435421.4	0									1	0.0160	0.0113	0.0072	0.0047					0					0					0	17.8710	18.5148	18.7139	94.106	0