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.

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	5.803	22 38 06.20880	+32 01 20.6616	1200-19363606	339.525870	+32.022406			19.4	18.0	1954.602
2	9.805	22 38 06.05952	+32 01 27.4116	1200-19363567	339.525248	+32.024281			18.4	18.0	1954.602
3	9.850	22 38 06.45408	+32 01 11.8128	1200-19363669	339.526892	+32.019948			19.8	19.3	1954.602

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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	[****ClosingBrace(s)Inserted****]
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arcsec&%">\BegDIVclass='sort-down ' </A>decb-r
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1 5.41822 38 06.24600+32 01 20.1504EO1174-0123744339.526025+32.02226420.00L 0      20.17   1 3.65 7.5 0.17   2 7.51322 38 06.12216+32 01 24.3408EO1174-0123652339.525509+32.02342816.50   2 19.45 16.3 0.6718.99  -1 -1.03 7.0 2.48* %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20construction%20of%20the%20%0a%3cB%3eGSC-II%20%0ais%20still%20in%20progress:%20this%0aversion%20has%20no%20proper%20motions,%20and%20the%20magnitude%20limits%20are%2018.5%20in%20F%20%28red%29%0aand%2019.5%20in%20J%20%28blue%29.%20The%20data%20are%20%3cB%3e%3cFONT%20COLOR=%27#0000CD%27>copyrighted,%20check%20%0athe%20%3cB%3edata%20use%20Policy.%0a%3cP%3e%0a

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	5.919	22 38 06.20496	+32 01 20.2080	N032212311502	339.525854	+32.022280	1991.705	17.84	0.39			3	3.39	0.30
2	9.643	22 38 06.05736	+32 01 27.1128	N032212311501	339.525239	+32.024198	1991.705	17.75	0.39	18.78	0.38	0	2.59	0.13

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eUSNO-B%20Catalog%20presents%20positions,%20proper%20motions,%20%0amagnitudes%20un%20blue,%20red%20and%20infrared,%20as%20well%20as%20star/galaxy%20estimators%0afor%201,045,175,762%20objects%20derived%20from%203,648,832,040%20separate%20observations.%0aThe%20data%20were%20taken%20from%20scans%20of%207,435%20Schmidt%20plates%0ataken%20from%20various%20sky%20surveys%20during%20the%20last%2050%20years.%3cBR%3e%0aUSNO-B1.0%20catalog%20was%20created%20by%20Dave%20Monet%20and%20collaborators%0aat%20http://www.nofs.navy.mil/data/fchpix/%20%3cBR%3e%0a%3cB%3e%3cFONT%20COLOR=%27#EE0000%27>%20Note%20that%20the%20star/galaxy%20estimators%20may%20be%20mixed%20up%0a%20in%20dense%20regions.%0a%3cP%3e%0a

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	5.970	22 38 06.19608	+32 01 20.6112	1220-0636299	339.525817	+32.022392	129	222	1977.8	0	0	5	19.79	18.37	20.18	18.10	17.74
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%205.970&%3cFONT%20COLOR=%27#CD5B45%27>22%2038%2006.19608&%3cFONT%20COLOR=%27#CD5B45%27>%2b32%2001%2020.6112&1220-0636299&339.525817&%2b32.022392&129&222&1977.8&%20%20%20%20%200&%20%20%20%20%200&5&19.79&18.37&20.18&18.10&17.74%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663c860faa136&-out.add=.&-source=I/284/out&USNO-B1.0===1220-0636300&-out.orig=o' class='full'2 6.02022 38 06.20952+32 01 23.05201220-0636300339.525873+32.0230709999991993.7 0 02      19.4817.26 3 9.73122 38 06.04872+32 01 27.11281220-0636297339.525203+32.024198 391271977.8 0 0518.4218.2218.4017.9617.35 %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	5.971	22 38 06.196008	+32 01 20.61012	1220-0659685	..	339.5258167	+32.0223917	B	0.0	0.0	0.0	0.0	20.180	B			18.100	B
2	6.022	22 38 06.209328	+32 01 23.04984	1220-0659686	..	339.5258722	+32.0230694	B	0.0	0.0	0.0	0.0					19.480	B
3	9.730	22 38 06.048672	+32 01 27.10992	1220-0659683	..	339.5252028	+32.0241972	B	0.0	0.0	0.0	0.0	18.400	B			17.960	B

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20This%20version%20of%20the%20%0a%3cB%3eGSC-II%0ahas%20no%20proper%20motions,%20but%20the%20limits%20on%20brightness%20which%20existed%20on%0a%20%28F<18.5,%20B_j<19.5%29%20were%20removed.%0a%25The%20data%20are%20%3cB%3e%3cFONT%20COLOR=%27#0000CD%27>copyrighted,%20check%0a%25the%20%3cB%3edata%20use%20Policy.%0a%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3 [****ClosingBrace(s)Inserted****]
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GSC2.3

%20

%22>RAJ2000
deg

DEJ2000
deg

Epoch
yr

Fmag
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mag

Vmag
mag

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mag

Class

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pix

e

1 5.91522 38 06.20520+32 01 20.2116N2VV011502339.525855+32.0222811991.70517.8420.0518.8117.263 3.39 0.30 2 9.64122 38 06.05760+32 01 27.1128N2VV011501339.525240+32.0241981991.70517.7518.7818.0616.960 2.59 0.13 %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	6.042	22 38 06.18984	+32 01 20.6760	339.525791	+32.022410	-2.2	-3.5			19.79	20.18	18.37	18.10	17.74	5	0
2	9.630	22 38 06.05208	+32 01 27.0012	339.525217	+32.024167	0.1	-8.0			18.42	18.40	18.22	17.96	17.35	5	0

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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 [****ClosingBrace(s)Inserted****]
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magG

%20

%22>%5cFONT SIZE=-1mage_
mag

magGrvs
mag

e_
mag

alphaEpoch
yr

deltaEpoch
yr

pmRA
mas/yr

e_
(...)

pmDE
mas/yr

e_
(...)

1 2.04422 38 06.50379+32 01 20.9680339.527099+32.022491 0.101 0.06922.387 0.21921.243 0.20920.935 0.13619.755 0.1552009.87002009.8700 0.0 0.0 0.0   2 6.09322 38 06.19217+32 01 20.1294339.525801+32.022258 0.007 0.00720.051 0.30017.837 0.30018.618 0.08217.353 0.1112009.87002009.8700 -2.2 5.4 -3.5 5.4 3 6.15422 38 06.27800+32 01 25.0389339.526158+32.023622 0.140 0.15124.439 0.46223.607 0.43020.341 0.42418.256 0.4312009.87002009.8700 0.0 0.0 0.0   4 9.91022 38 06.03121+32 01 27.1109339.525130+32.024197 0.005 0.00618.777 0.30017.752 0.30018.221 0.08117.403 0.1112009.87002009.8700 0.1 5.4 -8.0 5.4 %0a%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	URAT1	RAICRS deg	DEICRS deg	Epoch yr	f.mag mag	e_ mag	pmRA mas/yr	pmDE mas/yr	Jmag mag	Hmag mag	Kmag mag	Bmag mag	Vmag mag	gmag mag	rmag mag	imag mag
1	6.113	22 38 06.191740	+32 01 20.05707	611-608098	339.5257989	+32.0222381	2013.231	18.426	0.029
2	9.876	22 38 06.032124	+32 01 27.06987	611-608097	339.5251338	+32.0241861	2013.166	18.118	0.049

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	pmRA mas/yr	pmDE mas/yr	RADEcor	Dup [****ClosingBrace(s)Inserted****]
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Dup

%20

%22><FG>
e-/s

e_
e-/s

<Gmag>
mag

Var

1 6.12122 38 06.190578300+32 01 20.08902262339.5257940762 0.632+32.0222469507 0.4241901128206552882176       0.8650 6.3468e+02 1.7720e+0018.518NOT_AVAILABLE 2 9.87422 38 06.030712602+32 01 27.04097475339.5251279692 0.452+32.0241780485 0.3041901128206552882048       0.8620 8.7989e+02 1.7894e+0018.164NOT_AVAILABLE %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	ipix	comp	pmRA mas/yr	pmDE mas/yr	Jmag mag	Hmag mag	Kmag mag	B1mag mag	B2mag mag	R1mag mag	R2mag mag	Imag mag	GaiaId	Gmag mag	Clone	Nosc
1	6.061	22 38 06.192137232	+32 01 20.31260556	339.5258005718	+32.0223090571	1959667209355123143		-1.322	-14.905				19.79	20.18	18.37	18.10	17.74	1901128206552882176	18.518
2	9.844	22 38 06.037526760	+32 01 27.10919928	339.5251563615	+32.0241969998	1959667215558391849		-5.777	-4.548				18.42	18.40	18.22	17.96	17.35	1901128206552882048	18.164

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