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 USNO-A1.0 was created by Dave Monet () and collaborators at Flagstaff Station, U.S. Naval Observatory; it is superseded by the new PMM-USNO-A2.0 version.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	8.913	02 44 01.13880	+05 25 43.2624	0900-00641886	041.004745	+05.428684			18.1	18.3	1954.972

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	7.992	02 44 01.11334	+05 25 44.3099	0900-00639691	041.004639	+05.428975			17.4	18.2	1954.972

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	4.500	02 44 00.96411	+05 25 52.2514	0954-0027042	041.004017	+05.431181	9	169	1973.8	0	0	2		17.40			16.10
2	8.148	02 44 00.97870	+05 25 58.9115	0954-0027043	041.004078	+05.433031	329	117	1979.5	0	0	3	18.75		18.04	17.38
3	8.157	02 44 01.30754	+05 25 43.8422	0954-0027046	041.005448	+05.428845	16	339	1967.5	62	-10	3	17.89	18.29			18.08
4	8.862	02 44 01.05600	+05 25 43.6800	0954-0027045	041.004400	+05.428800	214	355	1972.8	0	0	2	18.01			16.00

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	pmDE mas/yr	e_ (...)	Bmag mag	r_	Rmag mag	r_
1	4.502	02 44 00.964008	+05 25 52.25016	0954-0027360	041.0040167	+05.4311806	..	B	0.0	0.0	0.0			17.400	e
2	8.147	02 44 00.978672	+05 25 58.91016	0954-0027361	041.0040778	+05.4330306	..	B	0.0	0.0	0.0	18.040	B	17.380	B
3	8.159	02 44 01.307328	+05 25 43.83984	0954-0027364	041.0054472	+05.4288444	..	B	62.0	-10.0	9.0	17.890	o	18.290	e
4	8.862	02 44 01.056000	+05 25 43.68000	0954-0027363	041.0044000	+05.4288000	..	B	0.0	0.0	0.0	18.010	o	16.000	B

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	4.439	02 44 00.96766	+05 25 52.0390	041.004032	+05.431122	-2.3	-10.1			17.40		16.10	2
2	7.917	02 44 00.98906	+05 25 58.7351	041.004121	+05.432982	8.6	-7.2	18.75	18.04		17.38		3
3	8.355	02 44 01.31086	+05 25 43.6478	041.005462	+05.428791	59.5	-17.7	17.89		18.29		18.08	3
4	8.674	02 44 01.04256	+05 25 43.9606	041.004344	+05.428878	-8.3	5.6	18.01			16.00		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	8.355	02 44 01.31086	+05 25 43.6478	041.005462	+05.428791	0.133	0.133	17.890	0.400	18.290	0.400	18.154	0.400	18.384	0.500	1967.5500	1967.5500	59.5	7.5	-17.7	7.5
2	8.674	02 44 01.04256	+05 25 43.9610	041.004344	+05.428878	0.163	0.163	18.010	0.400	16.000	0.400	16.186	0.400	14.713	0.500	1972.8400	1972.8400	-8.3	9.1	5.6	9.1

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	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	4.114	02 44 01.0099618347	+05 25 53.533663180	NB9G009164	041.00420817431	+05.43153712866	132100109164	2004.951	3										21.590	21.109	21.178	21.899	22.421
2	8.498	02 44 01.0904011594	+05 26 00.062954893	NB9G009165	041.00454333816	+05.43335082080	132100109165	2004.951	3										21.922	22.619	22.296	24.362	22.827

II/156A/main

IRAS Faint Source Catalog, |b| > 10, Version 2.0 (Moshir+ 1989)

ReadMe+ftp

1990IRASF.C......0M

IRAS Faint Sources (fluxes in red for upper limits) (173044 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	IRAS	RA1950 "h:m:s"	DE1950 "d:m:s"	Fnu12 Jy	q_	Fnu25 Jy	q_	Fnu60 Jy	q_	Fnu100 Jy	q_	nID
1	8.2	02 44 01.813	+05 25 51.98	F02413+0513	02 41 24.0	+05 13 12	1.19e-01	1	2.00e-01	1	4.43e-01	3	3.17e+00	1	2

Note: please credit the usage of the UKIDSS data (details at http://www.ukidss.org/archive/archive.html)

II/319/las9 UKIDSS-DR9 LAS, GCS and DXS Surveys (Lawrence+ 2012)
ReadMe+ftp
2007MNRAS.379.1599L
metaII/319/las9

Sample of the UKIDSS-DR9 Large Area Survey (on a total of 82,655,526 sources) (140125839 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ULAS	m	RAJ2000 deg	DEJ2000 deg	Hmag mag	e_ mag	Kmag mag	e_ mag	Epoch yr	cl
1	5.133	02 44 01.17840	+05 25 47.0063	J024401.17+052547.0	1	041.004910	+05.429724	18.538	0.201	17.935	0.182	2007.7261	1
2	7.217	02 44 00.96960	+05 25 46.2613	J024400.96+052546.2	1	041.004040	+05.429517			17.914	0.178	2007.7261	1
3	8.396	02 44 00.82054	+05 25 57.1189	J024400.82+052557.1	1	041.003419	+05.432533	18.482	0.191			2007.7261	1

Note: SDSS is also available from http://www.sdss3.org/dr9/

V/139/sdss9 The SDSS Photometric Catalog, Release 9 (Adelman-McCarthy+, 2012)
ReadMe+ftp
2012ApJS..203...21A
metaV/139/sdss9

Data Release 9 (469,053,874 primary sources plus 324,960,076 secondary sources); 2,674,200 spectroscopic targets. Data Release 9 is the first release of the spectra from the SDSS-III's Baryon Oscillation Spectroscopic Survey (BOSS). The photometric part contains the same sources as the Data Release 8, with a corrected astrometry. (794013950 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	DE_ICRS deg	mode	q_	cl	SDSS9	m_	Im	ObsDate yr	Q	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag	zsp
1	4.115	02 44 01.00992	+05 25 53.5332	041.004208	+05.431537	1	+	6	J024401.01+052553.5		Im	2004.9533	3	21.587	0.143	21.115	0.046	21.174	0.064	21.896	0.173	22.417	0.787
2	8.499	02 44 01.09032	+05 26 00.0636	041.004543	+05.433351	1	+	6	J024401.09+052600.0		Im	2004.9533	3	21.919	0.165	22.624	0.137	22.292	0.144	24.362	0.671	22.827	0.741

Note:

V/147/sdss12 The SDSS Photometric Catalogue, Release 12 (Alam+, 2015)
ReadMe+ftp
2015ApJS..219...12A
metaV/147/sdss12

Data Release 12 (469,053,874 primary sources plus 324,960,094 secondary sources); 3,538,079 spectroscopic targets (original column names in green) (794013968 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	DE_ICRS deg	mode	q_	class	SDSS12	m_	ObsDate yr	Q	umag mag	e_ mag	gmag mag	e_ mag	rmag mag	e_ mag	imag mag	e_ mag	zmag mag	e_ mag	zsp	zph	e_	<zph>
1	4.114	02 44 01.00994	+05 25 53.5337	041.004208	+05.431537	1	+	6	J024401.00+052553.5		2004.9534	3	21.587	0.143	21.115	0.046	21.174	0.064	21.896	0.173	22.417	0.787
2	8.498	02 44 01.09039	+05 26 00.0629	041.004543	+05.433351	1	+	6	J024401.09+052600.0		2004.9534	3	21.919	0.165	22.624	0.137	22.292	0.144	24.362	0.671	22.827	0.741

Note:

V/154/sdss16 Sloan Digital Sky Surveys (SDSS), Release 16 (DR16) (Ahumada+, 2020)
ReadMe+ftp
2020ApJS..249....3A
metaV/154/sdss16

Data Release 16 (469,050,976 primary sources plus 325,277,739 secondary sources) (original column names in green) (1231051050 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	objID	RA_ICRS deg	DE_ICRS deg	mode	class	clean	e_RA_ICRS (...)	e_DE_ICRS (...)	umag mag	gmag mag	rmag mag	imag mag	zmag mag	e_umag mag	e_gmag mag	e_rmag mag	e_imag mag	e_zmag mag	zsp	e_	f_	zph	e_	<zph>	Q	SDSS16	Sp-ID	MJD d
1	4.114	02 44 01.00996	+05 25 53.5337	1237667227689484320	041.004208	+05.431537	1	6	1	0.039	0.042	21.590	21.109	21.178	21.899	22.421	0.143	0.046	0.064	0.173	0.779							3	SDSS J024401.00+052553.5		53353.2025
2	8.498	02 44 01.09040	+05 26 00.0630	1237667227689484324	041.004543	+05.433351	1	6	1	0.080	0.074	21.922	22.619	22.296	24.362	22.827	0.165	0.137	0.144	0.669	0.733							3	SDSS J024401.09+052600.0		53353.2025

VII/193/zcat

The CfA Redshift Catalogue, Version June 1995 (Huchra+ 1995)

ReadMe+ftp

The CfA Redshift Catalogue (57536 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Name	RA1950 "h:m:s"	DE1950 "d:m:s"	Bmag mag	Vh km/s	e_ km/s	zRef	Comments
1	6.8	02 44 00.808	+05 25 52.14	02414+0513	02 41 23.0	+05 13 12	14.90	7328	34	2700	KDG74A

Note:

VII/292/south DESI Legacy Imaging Surveys DR8 photometric redshifts (Duncan, 2022)
ReadMe+ftp
2022MNRAS.512.3662D
metaVII/292/south

Legacy Surveys DR8 South Photometric Redshifts catalog (1 252 523 992 sources) (1252523992 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	id	RAJ2000 deg	DEJ2000 deg	release	brickid	objid	type	pstar	gmmcomp	zphot	e_	fclean	fqual
1	3.979	02 44 01.03283743464	+05 25 53.9283394884	8000362185000952	041.004303489311	+05.431646760969	8000	362185	952	PSF	0.209	P4	1.773	0.604	0	0
2	8.507	02 44 01.11621174072	+05 26 00.1859156592	8000362185000924	041.004650882253	+05.433384976572	8000	362185	924	PSF	0.237	P4	1.392	0.569	0	0

J/ApJS/121/287/cfa2s

The CfA2S catalog (Huchra+, 1999)

ReadMe+ftp

1999ApJS..121..287H

CfA survey radial velocities (tables 1 + 4) (4278 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Name	RA1950 "h:m:s"	DE1950 "d:m:s"	mZW mag	ms	HRV km/s	e_ km/s	r_	UGC	Note
1	6.8	02 44 00.808	+05 25 52.14	02414+0513	02 41 23.0	+05 13 12	14.90		7328	34	CfA		KDG 74A

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