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	0.164	0600-08062333	118.385639	-26.247664			15.0	13.3	1983.596

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	0.030	S133000192257	118.385655	-26.247625	1995.085	12.85	0.37	14.94	0.34	0	6.33	0.10

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	0.077	0637-0175307	118.385667	-26.247606	74	84	1972.0	0	0	5	15.29	13.48	15.21	12.91	11.26

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
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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	0.022	21045447	118.3856439	15	-26.2476237	15	12.85	6	2	1.9	2.4	264485713	10.170	9.040

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	0.022	0637-0178694	YM	118.3856439	-26.2476236	C	1.8	5.2	2.4	5.2	15.250	Y	13.600	Y	12.910	B	10.170	9.328	9.040

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
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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	0.030	S64H092257	118.385656	-26.247624	1995.085	12.85	14.94		11.59	0	6.33	0.10

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	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	0.057	S64H092257	118.38564431664	-26.24760391210	2133000192257	2015.500	0	12.818288		14.940300	12.853800		11.588200		15.478000	13.632000		14.525	12.912	13.880	11.964	11.6152	10.170	9.328	9.040			8.935	9.067	8.795	8.285			6.327	0.097	69.0
2	0.236	S64H270537	118.38568099000	-26.24756059000	21330001270537	2011.026	3											14.370

Full	_r arcsec	all	RAJ2000 deg	DEJ2000 deg	MatchID	Source	Det	MJDS d	MJDE d	Filter	FluxAper2 ct/s	magAper2 mag	magAuto mag	RadKron pix
1	0.067	all	118.3856661	-26.2476094	5925437	2128805947	Y	53633.9660	53633.9758	F550M	1.22224e+03	999.000	14.85000	0.175
2	0.067	all	118.3856661	-26.2476094	5925437	2128805947	Y	53633.9565	53633.9635	F435W	3.18334e+03	16.927	16.17900	0.175
3	0.067	all	118.3856661	-26.2476094	5925437	2128805947	N	53633.9778	53633.9875	F850LP

Full	_r arcsec	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	0.055	118.385644220	-26.247604400	76501183853443287	570499072	68	0.0010	0.0010	56121.904988430	1	5					16416					32	13.8804	0.0012	13.8211	0.0015	56	11.9636	0.0035	12.0105	0.0097	114736	11.6152	0.0010	11.6090	0.0010	312
2	0.236	118.385680990	-26.247560590	76501183856753254	637853696	76	0.0930	0.1645	55779.025671300	4	52	14.3701	0.0011	14.4371	0.0014	115000	13.1470				114724	12.3800				65572	11.8620				16420	11.5860				114724