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	2.553	0075-01214934	099.044534	-75.383128			16.6	15.1	1981.094

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	1.127	S11021226266	099.045536	-75.382822	1989.997	15.11	0.35	17.02	0.23	0	3.65	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	0.349	0146-0048239	099.046720	-75.382662	319	222	1984.8	82	84	4		14.85	16.85	15.12	12.65

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	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	0.346	0146-0048562	YM	099.0467194	-75.3826611	B	82.0	20.0	84.0	13.0	17.520	Y			15.120	B	11.134	10.593	10.275

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	1.122	S42I006266	099.045537	-75.382820	1989.997	15.11	17.02		12.88	0	3.65	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	Gmag mag	Bjmag mag	Fpgmag mag	Npgmag mag	gmag mag	rmag mag	imag mag	zmag mag	Jmag mag	Hmag mag	Ksmag mag	W1mag mag	W2mag mag	W3mag mag	W4mag mag	a pix	e pix	PA pix
1	0.279	S42I023864	099.04666000000	-75.38265000000	2110212223864	2001.050									11.195	10.420	10.207
2	1.125	S42I006266	099.04553222656	-75.38282012939	211021226266	1990.000		17.020700	15.112000	12.879400					11.134	10.594	10.276					3.655	0.049	19.8
3	1.674	S42I017509	099.04792214286	-75.38233316442	2110212217509	2015.500	14.527079				16.755	15.346	13.534	12.722				10.091	9.897	9.728	9.307

Full	_r arcsec	Name	Nf	SrcID	RAJ2000 deg	DEJ2000 deg	Nd	sUVW2	sUVM2	sUVW1	sU	sB	sV	UVW2-AB mag	UVM2-AB mag	UVW1-AB mag	U-AB mag	B-AB mag	V-AB mag
1	0.620	J063611.2-752257	1	1301729	099.047060	-75.382543	5			17.8						20.712
2	0.801	J063611.2-752257	1	1301729	099.047278	-75.382552	5			19.6						21.005
3	1.179	J063611.2-752257	1	1301729	099.047715	-75.382616	5				11.0						19.630
4	1.287	J063611.2-752257	1	1301729	099.047786	-75.382509	5				39.1						19.772
5	1.310	J063611.2-752257	6	1301729	099.047740	-75.382456	5	6.2	4.2	12.2	14.0	36.2	46.4	22.406	22.729	20.650	19.825	17.564	16.014

Full	_r arcsec	TIC	RAJ2000 deg	DEJ2000 deg	TYC	UCAC4	2MASS	GAIA	S/G	Ref	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	r_pm	Teff K	s_ K	logg [cm/s2]	s_ (...)	[M/H] [Sun]	e_ (...)	Rad Rsun	s_ Rsun	Mass Msun	s_ Msun	LClass	Dist pc	s_ pc	Ncont	Rcont	e_Mass Msun	E_Mass Msun	e_Rad Rsun	E_Rad Rsun	e_logg [cm/s2]	E_logg [cm/s2]	e_Dist pc	E_Dist pc	r_Dist	e_Teff K	E_Teff K	r_Teff	e_RAJ2000 mas	e_DEJ2000 mas	RAOdeg deg	DEOdeg deg	e_RAOdeg mas	e_DEOdeg mas	Sloan
1	0.074	142107618	099.04650000000	-75.38260000000		074-006027	06361113-7522576		STAR	tmgaia	81.780	2.000	65.710	2.000	tic7			5.0604	0.4296			0.205	0.037	0.176	0.041	DWARF																	0.81247441519	1.41604978102	99.04787436816	-75.38234797819	0.81247441519	1.41604978102	Sloan
2	1.674	735214778	099.04792214286	-75.38233316442				5261142252484292864	STAR	gaia2																																	0.58703720630	0.66121125058	99.04792214286	-75.38233316442	0.58703720630	0.66121125058	Sloan

Full	_r arcsec	Strip	RAJ2000 deg	DEJ2000 deg	Imag mag	e_ mag	Jmag mag	e_ mag	Kmag mag	e_ mag	Rmag mag	Bmag mag	Ipsf	Jpsf	Kpsf	DENIS
1	0.447	7125	099.046400	-75.382726	12.839	0.03	11.167	0.06	10.258	0.06			99	98	99	J063611.1-752257
2	0.544	7113	099.046654	-75.382741	12.823	0.03	11.142	0.05	10.214	0.07			99	99	98	J063611.1-752257