VizieR

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The 3 columns 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 USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.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)
ReadMe+ftp

metaI/243/out

The Full Catalogue (488006860 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	USNO-A1.0	RA_ICRS deg	DE_ICRS deg	GSCflag	Mflag	Bmag mag	Rmag mag	Epoch yr
1	9.351	03 21 33.13803	+13 32 51.8030	0975-00744102	050.388075	+13.547723			19.8	16.5	1949.882

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	9.047	03 21 33.12143	+13 32 52.1124	0975-00737950	050.388006	+13.547809			19.0	16.7	1949.882

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	8.756	03 21 32.58192	+13 32 45.2652	N331320210511	050.385758	+13.545907	1991.766			17.28	0.35	3	8.51	0.39

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	6.954	03 21 32.70819	+13 32 47.6123	1035-0033365	050.386284	+13.546559	458	155	1979.4	0	0	3		17.33		16.97	16.28
2	8.023	03 21 32.54282	+13 32 45.9528	1035-0033364	050.385595	+13.546098	498	708	1982.5	-20	-80	4	19.97		18.60	17.43	15.52

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	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	6.955	03 21 32.707992	+13 32 47.60988	1035-0033717	050.3862833	+13.5465583	..	B	0.0	0.0	0.0	0.0					16.970	B
2	8.026	03 21 32.542656	+13 32 45.94992	1035-0033716	050.3855944	+13.5460972	..	B	-20.0	19.0	-80.0	27.0	18.600	B			17.430	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	8.756	03 21 32.58192	+13 32 45.2652	NC82010511	050.385758	+13.545907	1991.766		17.28			3	8.51	0.39

I/317/sample

The PPMXL Catalog (Roeser+ 2010)

ReadMe+ftp

2010AJ....139.2440R

PPMXL catalog of positions and proper motions on the ICRS (910469430 rows)

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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
1	7.147	03 21 32.71465	+13 32 47.4432	050.386311	+13.546512	5.3	-6.4			17.33	16.97	16.28	3
2	7.946	03 21 32.54545	+13 32 46.0322	050.385606	+13.546120	-21.7	-79.9	19.97	18.60		17.43	15.52	4
3	9.755	03 21 32.42306	+13 32 44.3005	050.385096	+13.545639	12.1	4.2			18.09	17.83		2

Note:

I/324/igsl3 The Initial Gaia Source List (IGSL) (Smart, 2013)
ReadMe+ftp
2014A&A...570A..87S
metaI/324/igsl3

IGSL3 data release (1,222,598,530 sources) (1222598530 rows)

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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	7.946	03 21 32.54545	+13 32 46.0322	050.385606	+13.546120	0.115	0.115	17.284	0.300	17.430	0.400	17.371	0.400	17.402	0.500	1982.5300	1982.5300	-21.7	6.1	-79.9	6.1

I/353/gsc242

The Guide Star Catalog, Version 2.4.2 (GSC2.4.2) (STScI, 2020)

ReadMe+ftp

2008AJ....136..735L

Guide Star Catalogue, Version 2.4.2 (original column names in green) (3485671481 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Bjmag mag	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	a pix	e pix	PA pix
1	5.560	03 21 32.7782736000	+13 32 49.955136000	NC82039439	050.38657614000	+13.54720976000	1331320239439	2013.472	3		20.849			19.219
2	8.541	03 21 32.5513848000	+13 32 45.440772000	NC82010511	050.38563077000	+13.54595577000	1331320210511	2012.219	0	17.284200		20.162			20.0839	8.511	0.394	114.8
3	9.224	03 21 32.5752216000	+13 33 03.145464000	NC82039410	050.38573009000	+13.55087374000	1331320239410	2014.471	3				20.520		20.7237

Note:

II/312/ais GALEX-DR5 (GR5) sources from AIS and MIS (Bianchi+ 2011)
ReadMe+ftp
2011Ap&SS.335..161B
metaII/312/ais

Sample of the AIS (All-sky Imaging Survey) (out of 65,266,291 sources) (77864203 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	FUV mag	e_ mag	NUV mag	e_ mag	r.fov deg	b	Fafl	Nafl	Fexf	Nexf	Fr arcsec	Nr arcsec
1				013.548482		21.727		0.406	999999	50175.000	9	61	0	1	0

Note:

II/349/ps1 The Pan-STARRS release 1 (PS1) Survey - DR1 (Chambers+, 2016)
ReadMe+ftp
2016arXiv161205560C
metaII/349/ps1

Pan-STARRS DR1 catalogue (original column names in green) (1919106885 rows)

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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	Nd	gmag mag	e_ mag	gKmag mag	e_ mag	gFlags	rmag mag	e_ mag	rKmag mag	e_ mag	rFlags	imag mag	e_ mag	iFlags	zmag mag	e_ mag	zKmag mag	e_ mag	zFlags	ymag mag	e_ mag	yKmag mag	e_ mag	yFlags
1	5.560	03 21 32.77827360	+13 32 49.9551360	050.386576140	+13.547209760	124250503866057128	310456320	37	0.0476	0.0476	56580.472106480	3	20.8495	0.0677	18.3854	0.0244	16777496					0			0	19.2186	0.0637	17.3840	0.0333	16777496					0
2	8.541	03 21 32.55138480	+13 32 45.4407720	050.385630770	+13.545955770	124250503857515779	310456320	37	0.1590	0.1590	55935.218680560	3					0	20.1623	0.0732	19.7998	0.0471	16781336			24					0	20.0839	0.1583	17.9936	0.0721	16777496
3	9.224	03 21 32.57522160	+13 33 03.1454640	050.385730090	+13.550873740	124260503857521569	268959744	32	0.1208	0.1208	56768.470590280	3					0					0	20.5199	0.3884	4120					0	20.7237	0.3172			4120

II/365/catwise

The CatWISE2020 catalog (updated version 28-Jan-2021) (Marocco+, 2021)

ReadMe+ftp

2021ApJS..253....8M

The CatWISE2020 catalog (original column names in green) (1890715640 rows)

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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	8.248	03 21 33.006966	+13 32 49.91658	050.3875290	0.0416	+13.5471991	0.0464	J032133.00+133249.9	12	12	12	12	50.3875347	0.0416	13.5472068	0.0461	-0.00908	0.0104	-0.01242	0.0105	57.9	64.0	3.6e+03	6e+01	4.1e+03	6e+01	13.616	13.464	1N000	0.474	5.303	2.882	2.14e-01	6.58e+00	3	3	3	3		00	WISEA

J/A+A/690/A163/all

MeerKAT Absorption Line Survey Data Release 2 (Wagenveld+ 2024)

ReadMe+ftp

2024A&A...690A.163W

Source catalogue (971980 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	PA deg	Name	SCode	NGaus	MajFWHM arcsec	MinFWHM arcsec	PAMaj deg	RAJ2000 deg	DEJ2000 deg	FluxTot mJy	FluxTotmeas mJy	FluxP mJy/beam	FluxIsl mJy	SpIndex
1	7.016	03 21 32.9244633677	+13 32 57.629092879	10.6519546508800	J032132.92+133257.6	S	1	24.9163478499600046	14.92549477534800140	1.654309249440474616e+02	50.38718526403	+13.54934141469	4.600889857960000384e+00	4.600889857960000384e+00	0.847153131400000037	3.831935154529999998e+00	-2.8629467962814558746e-01

J/A+A/690/A163/gauss

MeerKAT Absorption Line Survey Data Release 2 (Wagenveld+ 2024)

ReadMe+ftp

2024A&A...690A.163W

Gaussian component catalogue (1142084 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Source	GID	RAJ2000 deg	DEJ2000 deg	Fpeak mJy/beam	Maj arcsec	Min arcsec	PA deg	DCMaj arcsec	DCMin arcsec	DCPA deg
1	7.016	03 21 32.9244633677	+13 32 57.629092879	MALS J032132.92+133257.6	32776	50.38718526403	+13.54934141469	0.847153131400000037	24.916347849960004623	1.492549477534800140e+01	1.654309249440474616e+02	2.2922025867647999e+01	1.28844925463159985e+01	1.613443167757621097e+02

J/A+AS/144/475/table2

Accurate positions for 17124 galaxies (Paturel+, 2000)

ReadMe+ftp

2000A&AS..144..475P

New measurements of equatorial coordinates (13823 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	PGC	Name	RAJ2000 "h:m:s"	DEJ2000 "d:m:s"	u_Name	LEDA
1	8.8	03 21 33.100	+13 32 56.00	12599	MCG 2- 9- 3	03 21 33.1	+13 32 56		LEDA

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