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)
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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	9.055	01 54 46.78416	+25 15 35.6832	1125-00619837	028.694934	+25.259912			17.7	17.4	1953.866

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)
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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	4.907	01 54 46.28880	+25 15 40.8528	1152-0023037	028.692870	+25.261348	239	999	1972.8	0	0	2	19.54			19.57
2	8.912	01 54 46.77336	+25 15 35.6508	1152-0023038	028.694889	+25.259903	167	470	1953.8	0	0	2	17.73	16.61

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	4.904	01 54 46.288656	+25 15 40.84992	1152-0023196	..	028.6928694	+25.2613472	B	0.0	0.0	0.0	0.0	19.540	o			19.570	B
2	8.912	01 54 46.773336	+25 15 35.65008	1152-0023197	..	028.6948889	+25.2599028	B	0.0	0.0	0.0	0.0	17.730	o			16.610	e

I/317/sample

The PPMXL Catalog (Roeser+ 2010)

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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	5.992	01 54 46.30560	+25 15 41.9508	028.692940	+25.261653	8.1	23.8			19.54			19.57		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	5.992	01 54 46.30560	+25 15 41.9510	028.692940	+25.261653	0.163	0.163	19.540	0.400	19.570	0.400	19.545	0.400	19.487	0.500	1972.8100	1972.8100	8.1	8.6	23.8	8.6

VI/42/out

Identification of a Constellation From Position (Roman 1987)

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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	01 54 46.115	+25 15 36.50	026.9402	+24.6445	Ari

J/MNRAS/525/1106/tableb5

DESI Peculiar Velocity survey (Saulder+, 2023)

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2023MNRAS.525.1106S

Fibre pointings for the TF relation targets (389316 rows)

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ObjID	BrickID	BrickName	RA_ICRS deg	DE_ICRS deg	RefEpoch	Override	PVType	PVPriority	PointingID	TargetID
1	4.644	01 54 46.4475348827	+25 15 37.842802259	4984	471481	0285p252	28.69353139534	+25.26051188952	2015.5	true	TFT	1	1	2843115580817408

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