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)
ReadMe+ftp

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	9.730	1350-08945453	249.897220	+46.356598			15.0	14.3	1955.243

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	APM-ID	RAJ2000 deg	DEJ2000 deg	rmag mag	l_	rClass	rStel	rDiam arcsec	rEll	bmag mag	l_	bClass	bStel	bDiam arcsec	b-r	Mflag
1	9.764	EO1375-0290721	249.897114	+46.356614	13.42		-1	1.81	13.7	0.05	15.34		-1	1.11	14.0	1.92

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	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	9.415	N63V060544	249.89599507000	+46.35646401000	1132322360544	2014.493	3													19.670

II/287/skydot

Northern Sky Variability Survey (NSVS) (Wozniak+, 2004)

ReadMe+ftp

2004AJ....127.2436W

Skydot catalog (19995106 rows)

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Full	_r arcsec	RAJ2000 deg	e_ 10-5deg	DEJ2000 deg	e_ 10-5deg	mag mag	e_ mag	emag mag	Nobs	N1	Ndet	flag
1	6.93	249.89952	48	+46.35345	72	14.135	0.127	0.096	85	307	307	0
2	8.06	249.90000	64	+46.35351	80	14.141	0.080	0.096	77	173	173	0

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 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	9.415	249.895995070	+46.356464010	163622498958438328	268959744	32	0.0332	0.0332	56793.493206020	0	3					0					0	19.6697	0.3608			4120					0					0

Note:

II/389/ps1_dr2 The Pan-STARRS release 1 (PS1) Survey - DR2 (Magnier+, 2025)
ReadMe+ftp
2020ApJS..251....6M
metaII/389/ps1_dr2

Pan-STARRS DR2 catalog (original column names in green) (1868236315 rows)

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Full	_r arcsec	objID	RAJ2000 deg	DEJ2000 deg	f_objID	Qual	e_RAJ2000 deg	e_DEJ2000 deg	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	9.415	163622498958438328	249.89599507000	+46.35646401000	268959744	32	0.03324000165	0.03324000165	56793.493206020	0	3					0					0	19.6697	0.3608			4120					0					0

Note:

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

Legacy Surveys DR8 North Photometric Redshifts catalog (323 213 867 sources) (323213867 rows)

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Full	_r arcsec	id	RAJ2000 deg	DEJ2000 deg	release	brickid	objid	type	pstar	gmmcomp	zphot	e_	fclean	fqual
1	7.193	8001570082004040	249.894308857931	+46.354916303275	8001	570082	4040	REX	0.001	R5	0.961	0.213	0	0

J/A+A/671/A16/table8

Carte du Ciel and Gaia. I. Astrometry. (Lehtinen+, 2023)

ReadMe+ftp

2023A&A...671A..16L

Single-exposure plates matched with DR2 (825096 rows)

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Full	_r arcsec	Gaia	xposCduC pix	yposCduC pix	RAdegCduC deg	DEdegCduC deg	e_RAdegCduC deg	e_DEdegCduC deg	FWHMCduC deg	ellipCduC	dRA arcsec	dDE arcsec	Dist arcsec	dRARMS	dDERMS	dRMS	oRA deg	oDE deg	CduC-plate	plate-image	plate-sub	Epoch yr	SCAMP-RARMS arcsec	SCAMP-DERMS arcsec	SCAMP-RMS arcsec	SCAMP-chi2	SCAMP-nstar	FluxCduC ct	e_ ct	Ndigit	stdRA arcsec	stdDE arcsec	RAdegGaia deg	DEdegGaia deg	e_RAdegGaia deg	e_DEdegGaia deg	BPmag mag
1	8.993	1406935014479386752	1647.0351	2972.6065	249.89715568	46.35640863	0.06008110	0.05998741	0.001470346	0.129	0.0808	0.0083	6.56024e-02	4.69037e-01	3.22103e-01	3.99837e-01	-0.5849	0.5449	704	4	2	1906.72	0.1140	0.1180	0.1641	11.000	45	3.64128e+04	1.19109e+03	1	0.0000	0.0000	249.89713415946	+46.35639807320	9.85819e-07	1.51215e-06	14.859414

J/A+A/671/A16/table9

Carte du Ciel and Gaia. I. Astrometry. (Lehtinen+, 2023)

ReadMe+ftp

2023A&A...671A..16L

Single-exposure plates matched with EDR3 (830663 rows)

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Full	_r arcsec	Gaia	xposCduC pix	yposCduC pix	RAdegCduC deg	DEdegCduC deg	e_RAdegCduC deg	e_DEdegCduC deg	FWHMCduC deg	ellipCduC	dRA arcsec	dDE arcsec	Dist arcsec	dRARMS	dDERMS	dRMS	oRA deg	oDE deg	CduC-plate	plate-image	plate-sub	Epoch yr	SCAMP-RARMS arcsec	SCAMP-DERMS arcsec	SCAMP-RMS arcsec	SCAMP-chi2	SCAMP-nstar	FluxCduC ct	e_ ct	Ndigit	stdRA arcsec	stdDE arcsec	RAdegGaia deg	DEdegGaia deg	e_RAdegGaia deg	e_DEdegGaia deg	BPmag mag
1	8.990	1406935014479386752	1647.0351	2972.6065	249.89715568	46.35640863	0.06008110	0.05998741	0.001470346	0.129	0.0813	0.0158	6.69886e-02	4.60122e-01	3.53102e-01	4.08285e-01	-0.5849	0.5449	704	4	2	1906.72	0.1140	0.1180	0.1641	11.000	45	3.64128e+04	1.19109e+03	1	0.0000	0.0000	249.89713456851	+46.35639705709	5.63824e-07	7.07260e-07	14.827672

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