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.

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	1.186	07 06 56.99880	+37 09 05.9616	1200-05404556	106.737495	+37.151656			17.0	16.2	1953.860
2	4.962	07 06 57.22272	+37 09 02.0520	1200-05404590	106.738428	+37.150570			19.3	18.4	1953.860

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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	1.483	07 06 57.03552	+37 09 05.1012	EO0889-0095319	106.737648	+37.151417	16.79		1	10.89	16.1	0.37	21.67	L	0			4.88
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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.

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.2	RA(ICRS) deg	DE(ICRS) deg	Epoch yr	Rmag mag	e_ mag	Bjmag mag	e_ mag	Class	a pix	e
1	1.323	07 06 57.02376	+37 09 05.2668	N23032035328	106.737599	+37.151463	1989.823	15.46	0.27	15.70	0.27	3	7.25	0.40

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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	1.086	07 06 56.99208	+37 09 05.9004	1271-0177326	106.737467	+37.151639	64	164	1976.3	-6	26	5	17.44	16.44	15.30	15.71	15.89
2	4.679	07 06 57.19344	+37 09 02.0916	1271-0177327	106.738306	+37.150581	398	999	1953.8	0	0	2	20.15	16.98
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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%204.679&%3cFONT%20COLOR=%27#CD5B45%27>07%2006%2057.19344&%3cFONT%20COLOR=%27#CD5B45%27>%2b37%2009%2002.0916&1271-0177327&106.738306&%2b37.150581&398&999&1953.8&%20%20%20%20%200&%20%20%20%20%200&2&20.15&16.98&%20&%20&%20%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663eec523f7016&-out.add=.&-source=I/284/out&USNO-B1.0===1271-0177330&-out.orig=o' class='full'3 6.00307 06 57.37488+37 09 07.72201271-0177330106.739062+37.152145 796851971.8 0 02  19.67  19.74   4 6.32007 06 56.69616+37 09 11.12041271-0177324106.736234+37.1530894101301971.8 0 0219.43    19.44   5 6.55607 06 56.86608+37 09 11.89081271-0177325106.736942+37.1533032159991971.8 0 0220.30      18.22 6 6.60707 06 57.29136+37 09 00.54001271-0177328106.738714+37.1501509992831971.8 20 -30419.6018.44  18.8918.03 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20Naval%20Observatory%20Merged%20Astrometric%20Dataset%20%28NOMAD%29%20contains%0aastrometric%20and%20photometric%20data%20for%20over%201%20billion%20stars%20derived%20from%0athe%20Hipparcos%20%28I/239%29,%20Tycho-2%20%28I/259%29,%20UCAC2%20%28I/289%29,%20and%20USNO-B1.0%0a%28I/284%29%20catalogs%20for%20astrometry%20and%20optical%20photometry,%20supplemented%0aby%202MASS%20%28II/246%29%20near-infrared%20photometry.%3cBR%3e%0a%3cFONT%20SIZE=%27-1%27%3eAn%20efficient%20remote%20query%20program%20%3cB%3efindnomad1%20is%0aavailable%20in%20the%20cdsclient%20%0apackage,%20for%20Unix/Linux%20platforms%0a%3cP%3e%0a

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	1.085	07 06 56.992008	+37 09 05.90004	1271-0179862	YM	106.7374667	+37.1516389	B	-6.0	2.0	26.0	5.0	17.860	Y	17.320	Y	15.710	B	16.428	15.583	14.682
2	4.679	07 06 57.193344	+37 09 02.09016	1271-0179863	..	106.7383056	+37.1505806	B	0.0	0.0	0.0	0.0	20.150	o			16.980	e
3	5.999	07 06 57.374664	+37 09 07.71984	1271-0179866	..	106.7390611	+37.1521444	B	0.0	0.0	0.0	0.0					19.740	B
4	6.320	07 06 56.695992	+37 09 11.12004	1271-0179860	..	106.7362333	+37.1530889	B	0.0	0.0	0.0	0.0	19.430	o			19.440	B
5	6.556	07 06 56.866008	+37 09 11.89008	1271-0179861	..	106.7369417	+37.1533028	B	0.0	0.0	0.0	0.0	20.300	o
6	6.606	07 06 57.291336	+37 09 00.54000	1271-0179864	..	106.7387139	+37.1501500	B	20.0	30.0	-30.0	8.0	19.600	o			18.890	B
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6	6.606	07 06 57.291336	+37 09 00.54000	1271-0179864	..	106.7387139	+37.1501500	B	20.0	30.0	-30.0	8.0	19.600	o			18.890	B

%22>\EndTABLESORT

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.

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	1.326	07 06 57.02400	+37 09 05.2704	N8V7005328	106.737600	+37.151464	1989.823	15.46	15.70	17.26	16.20	3	7.25	0.40

%0a%0a

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	1.751	07 06 57.03888	+37 09 06.2604	106.737662	+37.151739	6.1	35.5	16.429	14.682	17.44	15.30	16.44	15.71	15.89	6	0
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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ID	RAICRS deg	DEICRS deg	pmRAp mas/yr	pmDEp mas/yr	pmRAx mas/yr	pmDEx mas/yr	Fmag mag	Bjmag mag	Vmag mag	Nmag mag	Jmag mag	e_ mag	Hmag mag	e_ mag	Kmag mag	e_ mag	2Mkey	Bmag mag	Rmag mag	Fld	dT yr	fg	fs	M
1	2.016	07 06 57.05807	+37 09 06.3934	XPM 254-0274419	106.737742	+37.151776	21.54	11.61	21.54	12.10	15.455	15.698	17.264	16.196	16.429	0.142	15.584	0.160	14.682		210619457	17.0	16.2	256	44.386898	0	0	M

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