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	0.444	0900-17018887	298.604073	+07.189909			14.1	12.6	1950.526

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)
ReadMe+ftp
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	0.67	0049300805	298.60405	+07.18983	0.3	13.17	0.40	1	3	01ZR	1982.478

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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metaI/255/out

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	0.76	0049300805	298.60409	+07.18982	0.3	13.18	0.42	1	3	1982.478

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	0.237	N0213010373	298.604063	+07.189982	1990.702	12.68	0.42	14.52	0.43	0	5.02	0.06

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	0.591	0971-0606398	298.604100	+07.189878	31	80	1975.3	0	0	5	14.48	13.45	14.18	14.13	11.23

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)
ReadMe+ftp
2004AJ....127.3043Z
metaI/289/out

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	0.043	34359481	298.6039918	31	+07.1900100	23	13.00	4	2	-10.3	-4.1	1152086021	11.192	10.355

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	0.043	0971-0651287	YM	298.6039917	+07.1900100	C	-10.3	5.6	-4.1	5.6	13.860	Y	13.290	Y	14.130	B	11.192	10.495	10.355

Note: Zone -30/+50deg

I/304/out Carlsberg Meridian Catalog 14 (CMC14) (CMC, 2006)
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metaI/304/out

The full CMC-14 catalog (around 95.85million sources in the region -30 to +50°) (95858475 rows)

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Full	_r arcsec	CMC14	f_	RAICRS deg	DEICRS deg	r'mag mag	Nt	Jmag mag	Hmag mag	Ksmag mag
1	0.058	195424.9+071123		298.603999	+07.189996	13.016	3	11.192	10.495	10.355

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	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	0.235	N1XG000373	298.604063	+07.189983	1990.702	12.68	14.52	12.84	12.07	3	5.02	0.06

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)
ReadMe+ftp
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	0.031	195424.9+071124	298.603996	+07.190008	-0.79	20.94	13.170	13.524	11.192	10.495	10.355	4		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	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	e_ mas	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Dup	FG e-/s	e_ e-/s	Gmag mag	e_ mag	FBP e-/s	e_ e-/s	BPmag mag	e_ mag	FRP e-/s	e_ e-/s	RPmag mag	e_ mag	BP-RP mag	RV km/s	e_ km/s	Teff K	AG mag	E(BP-RP) mag	Rad solRad	Lum solLum
1	0.139	298.60400293357	0.0185	+07.18997292014	0.0128	4297362994398314624	0.1895	0.0234	-0.181	0.037	-9.034	0.027	0	1.1626e+05	4.8683e+01	13.0248	0.0005	4.5966e+04	7.4875e+01	13.6953	0.0018	1.0144e+05	5.4262e+01	12.2464	0.0006	1.4489	45.69	4.34	4654.41	0.3990	0.1910
2	4.271	298.60505916533	0.8631	+07.19056918674	0.6796	4297362998699640832	-0.6352	0.9516	-3.255	2.680	-5.967	2.389	0	1.5816e+02	1.2674e+00	20.1906	0.0087

Full	_r arcsec	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	e_ mas	PM mas/yr	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	RUWE	FG e-/s	e_ e-/s	Gmag mag	e_ mag	FBP e-/s	e_ e-/s	BPmag mag	e_ mag	FRP e-/s	e_ e-/s	RPmag mag	e_ mag	BP-RP mag	RVDR2 km/s	e_ km/s	Tefftemp K	loggtemp [cm/s2]	PS1	SDSSDR13	SkyMapper2	URAT1	GmagCorr mag	e_ mag	FGCorr mag	RAJ2000 deg	DEJ2000 deg
1	0.143	298.60400292564	0.0135	+07.18997165729	0.0106	4297362994398314624	0.2296	0.0180	8.968	-0.191	0.018	-8.966	0.014	1.144	1.1743e+05	1.9025e+01	13.012886	0.002761	4.6630e+04	2.5524e+01	13.666883	0.002853	1.0128e+05	3.2092e+01	12.234102	0.003795	1.432781	45.69	4.34	5500.0	3.5	116622986040098470			486490414	13.012886	0.002761	1.1743e+05	298.60400378026	7.19001150720
2	4.270	298.60505921129	0.5915	+07.19056838643	0.4275	4297362998699640832	-0.0432	0.6902	6.521	-2.281	0.702	-6.109	0.496	1.072	1.5897e+02	8.6902e-01	20.184109	0.006544	2.4472e+02	2.9366e+01	19.366861	0.130315	3.8367e+02	4.0082e+01	18.287994	0.113489	1.078867									20.187084	0.006559	1.5853e+02	298.60506942787	7.19059553702

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	0.001	375459468	298.60400371916	+07.19001181786		486-116327	19542496+0711241	4297362994398314624	STAR	tmgaia2	-0.181	0.037	-9.034	0.027	gaia2	4613.0	122.0					19.300				GIANT	4513.1899	488.7350									438.6900	538.7800	bj2018			dered	0.58211611663	0.41280977030	298.60400293357	7.18997292014	0.01847235292	0.01284111968	Sloan
2	4.359	1905842476	298.60507329123	+07.19059487846				4297362998699640832	STAR	gaia2	-3.255	2.680	-5.967	2.389	gaia2												3207.1101	2077.6201									1570.3101	2584.9299	bj2018				41.63555730162	37.04286429974	298.60505916533	7.19056918674	0.86305495821	0.67958352827	Sloan