VizieR

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The 3 columns 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)
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	0.766	00 23 51.99072	+42 31 02.5320	1275-00249675	005.966628	+42.517370			19.8	18.8	1954.756

Note: The current version includes only the North (POSS-I plates)

I/267/out The APM-North Catalogue (McMahon+, 2000)
ReadMe+ftp

metaI/267/out

The Full Northern APM Catalogue (166466987 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	APM-ID	RAJ2000 deg	DEJ2000 deg	rmag mag	l_	rClass	rStel	rDiam arcsec	rEll	bmag mag	l_	bClass	bStel	bDiam arcsec	b-r mag	Mflag
1	0.775	00 23 51.98352	+42 31 02.1432	EO1243-0218932	005.966598	+42.517262	19.64		1	6.53	6.3	0.27	21.26		-1	2.12	5.6	1.61
2	1.955	00 23 52.06536	+42 31 03.6408	EO0851-0235472	005.966939	+42.517678	20.00	L	0				21.23		-1	0.01	4.3	1.23

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	1.134	00 23 52.01952	+42 31 02.1720	1325-0009690	005.966748	+42.517270	999	999	1971.7	0	0	2	20.31		19.94
2	1.281	00 23 52.01736	+42 31 03.2232	1325-0009689	005.966739	+42.517562	167	173	1977.3	12	16	5	20.36	19.01	20.19	19.70	18.35

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	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	1.132	00 23 52.019328	+42 31 02.16984	1325-0009751	..	005.9667472	+42.5172694	B	0.0	0.0	0.0	0.0	19.940	B
2	1.279	00 23 52.017336	+42 31 03.21996	1325-0009750	..	005.9667389	+42.5175611	B	12.0	5.0	16.0	5.0	20.190	B			19.700	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	1.555	00 23 52.05768	+42 31 02.8920	NBUU009285	005.966907	+42.517470	1989.749	19.15	20.52		18.57	3	2.82	0.17

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	Jmag mag	Kmag mag	b1mag mag	b2mag mag	r1mag mag	r2mag mag	imag mag	No	fl
1	1.248	00 23 52.01880	+42 31 03.1368	005.966745	+42.517538	17.1	16.0			20.36	20.19	19.01	19.70	18.35	5	0
2	1.597	00 23 52.04808	+42 31 01.7364	005.966867	+42.517149	34.3	-30.7			20.31	19.94				2	0

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	1.248	00 23 52.01878	+42 31 03.1371	005.966745	+42.517538	0.103	0.103	20.523	0.300	19.145	0.300	19.386	0.400	18.301	0.500	1977.3600	1977.3600	17.1	5.6	16.0	5.6

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	0.965	00 23 51.9818258296	+42 31 02.803649196	NBUU009285	005.96668987000	+42.51743417000	133000129285	2012.904	3		20.900400	20.523400	19.145600		18.566500					21.397	20.593	20.304	20.277	20.0030						16.454	16.651	12.155	8.689		21.815	2.818	0.167	177.7

Note:

II/311/wise WISE All-Sky Data Release (Cutri+ 2012)
ReadMe+ftp
2012wise.rept....1C
metaII/311/wise

The WISE All-Sky data Release; please acknowledge the usage of the WISE data products (563921584 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	WISE	RAJ2000 deg	DEJ2000 deg	eeMaj arcsec	eeMin arcsec	Im	W1mag mag	e_ mag	W2mag mag	e_ mag	W3mag mag	e_ mag	W4mag mag	e_ mag	Jmag mag	Hmag mag	Kmag mag	ccf	ex	var	d2M arcsec	2M
1	1.149	00 23 52.00699	+42 31 03.1568	J002352.00+423103.1	005.966696	+42.517544	0.357	0.321	Im	16.749	0.113	16.801	0.370	12.649		9.158					0000	0	1nnn		2M

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	0.961	00 23 51.86239	+42 31 03.2096	005.966093	+42.517558			21.602	0.328	0.346010	1	0	0	0	0		11.60

Note:

II/328/allwise AllWISE Data Release (Cutri+ 2013)
ReadMe+ftp
2014yCat.2328....0C
metaII/328/allwise

The AllWISE data Release (updated version, 16-Feb-2021); please acknowledge the usage of the WISE data products (747634026 rows) (Note)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	AllWISE	RAJ2000 deg	DEJ2000 deg	Im	W1mag mag	e_ mag	W2mag mag	e_ mag	W3mag mag	e_ mag	W4mag mag	e_ mag	Jmag mag	e_ mag	Hmag mag	e_ mag	Kmag mag	e_ mag	ccf	ex	var	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	qph	d2M arcsec	2M
1	1.132	00 23 52.021236	+42 31 02.75704	J002352.02+423102.7	005.9667552	+42.5174325	Im	16.454	0.064	16.651	0.245	12.155		8.689								0000	0	0nnn	406	549	-488	551	ABUU		2M

Note:

II/335/galex_ais Revised catalog of GALEX UV sources (GUVcat_AIS GR6+7) (Bianchi+ 2017)
ReadMe+ftp
2017ApJS..230...24B
metaII/335/galex_ais

Sample of the revised GALEX catalog of UV sources (GUVcat_AIS) from GR6+7 (82,992,086 sources) (original column names in green) (82992086 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	Name	r.fov deg	b	FUVmag mag	e_ mag	NUVmag mag	e_ mag	Fafl	Nafl	Fexf	Nexf	Fr deg	Nr deg
1	0.947	00 23 51.89070	+42 31 03.3884	005.966211	+42.517608	GALEX J002351.8+423103	0.346349	1			21.8150	0.3663	0	0	0	2		0.003327

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	Ns	Nd	gmag mag	e_ mag	gKmag mag	e_ mag	gFlags	rmag mag	e_ mag	rKmag mag	e_ mag	rFlags	imag mag	e_ mag	iKmag mag	e_ mag	iFlags	zmag mag	e_ mag	zKmag mag	e_ mag	zFlags	ymag mag	e_ mag	yKmag mag	e_ mag	yFlags
1	0.965	00 23 52.00556880	+42 31 02.7630120	005.966689870	+42.517434170	159020059666121720	444915712	53	0.0214	0.0232	56117.903888890	5	61	21.3966	0.0844	20.4374	0.1013	16892216	20.5925	0.0731	19.6832	0.0469	16892216	20.3041	0.0530	19.3351	0.0230	16892216	20.2771	0.0197	19.1657	0.0191	16892216	20.0030	0.1300	19.2215	0.0665	16892216

Note:

II/363/unwise The band-merged unWISE Catalog (Schlafly+, 2019)
ReadMe+ftp
2019ApJS..240...30S
metaII/363/unwise

The band-merged unWISE catalog (original column names in green) (2214734224 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	objID	RAJ2000 deg	DEJ2000 deg	FW1 309.05nJy	FW2 167.66nJy	e_FW1 309.05nJy	e_FW2 167.66nJy	q_W1	q_W2	fFW1	fFW2
1	1.142	00 23 52.022074	+42 31 02.76323	0060p424o0019224	005.9667586	+42.5174342	2.8468e+02	3.3036e+02	6.8065e+00	2.5429e+01	1.00000	1.00000	0.9693	0.9931

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	1.089	00 23 52.009298	+42 31 02.99666	005.9667054	0.1089	+42.5174991	0.0961	J002352.01+423103.0	13	13	10	13	5.9667263	0.1174	42.5174876	0.1029	-0.00580	0.0370	-0.02120	0.0366	33.1	14.2	2.5e+02	8e+00	3.0e+02	2e+01	16.498	16.314	1N000	0.096	0.312	0.445	4.19e+00	1.86e+00	3	3	3	3	0.273	00	WISEA

VI/42/out

Identification of a Constellation From Position (Roman 1987)

ReadMe+ftp

1987PASP...99..695R

Compute constellation name from Position (357 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA1875 deg	DE1875 deg	Cst
1	0.1	00 23 51.915	+42 31 02.46	004.3090	+41.8241	And

J/A+A/644/A69/news

NEWS catalog (Khramtsov+, 2020)

ReadMe+ftp

2020A&A...644A..69K

NEWS catalog (40350492 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	qPS1	gmag mag	rmag mag	imag mag	zmag mag	ymag mag	gKmag mag	W1mag mag	W1snr	W2mag mag	W2snr	W3mag mag	W3snr	W4mag mag	W4snr	Feature1	Feature2	Feature3	Feature4	Feature5	xgalProb	E(B-V) mag	PS1	AllWISE	GaiaDR2
1	0.965	00 23 52.0055688	+42 31 02.763012	005.96668987	+42.51743417	53	21.397	20.592	20.304	20.277	20.003	20.437	16.454	16.9	16.651	4.4	12.155	1.9	8.689	0.9	0.04552	0.02907	-0.14481	-0.40473	-0.11555	0.99835	0.060	159020059666121720	J002352.02+423102.7	---

J/MNRAS/399/728/table2

UV-bright sources behind M31 halo (Fittingoff+, 2009)

ReadMe+ftp

2009MNRAS.399..728F

Photometry summary of GALEX/NUV-detected sources in the halo of M31. (98628 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Seq	GALEX	RAJ2000 "h:m:s"	DEJ2000 "d:m:s"	FUV mag	e_ mag	NUV mag	e_ mag	Rmag mag	e_ mag	s/g	Q?
1	1.610	00 23 52.0600	+42 31 03.000	12214	J002352.06+423103.0	00 23 52.06	+42 31 03.00	22.14	0.16	21.49	0.06			1.00	N

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