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	1.803	02 42 51.62880	+21 30 40.8132	1050-00730298	040.715120	+21.511337			17.0	15.6	1951.906
2	2.364	02 42 51.54816	+21 30 40.7016	1050-00730291	040.714784	+21.511306			17.2	14.8	1951.914
3	9.287	02 42 51.00216	+21 30 44.7228	1050-00730246	040.712509	+21.512423			16.4	13.9	1951.906

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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 [****ClosingBrace(s)Inserted****]
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b-r

%22>%5cFONT SIZE=-1magMflag

1 4.99602 42 51.29280+21 30 42.2424EO0425-0004762040.713720+21.51173420.00L 0      16.08   2 40.99 24.4 -3.92   2 6.83502 42 51.16080+21 30 42.9516EO0443-0021147040.713170+21.51193112.99   2 15.68 26.9 0.5215.96   2 21.17 27.6 2.97   3 8.57502 42 51.59400+21 30 51.1308EO0443-0020962040.714975+21.51420319.52   2 5.73 6.5 0.5521.57L 0     2.05   4 9.04402 42 51.72144+21 30 51.5808EO0425-0004651040.715506+21.51432819.43   1 4.37 4.8 0.4421.38L 0     1.95   %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	2.285	02 42 51.62304	+21 30 40.3380	N33122238491	040.715096	+21.511205	1991.700	14.61	0.42	16.71	0.42	3	5.42	0.10
2	9.753	02 42 50.96376	+21 30 44.4456	N33122238490	040.712349	+21.512346	1991.700	13.52	0.42	15.75	0.41	3	7.45	0.28

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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	2.021	02 42 51.56616	+21 30 40.9428	1115-0034226	040.714859	+21.511373	73	57	1976.6	0	0	5	17.99	15.09	15.66	14.01	13.32
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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	2.025	02 42 51.565992	+21 30 40.93992	1115-0034535	YM	040.7148583	+21.5113722	B	0.0	0.0	0.0	0.0	17.190	Y	16.020	Y	14.010	B	15.045	14.397	13.906
2	2.591	02 42 51.484656	+21 30 41.41008	1115-0034534	..	040.7145194	+21.5115028	B	-36.0	3.0	18.0	0.0	15.230	B			13.770	B
3	6.822	02 42 51.358656	+21 30 48.07008	1115-0034529	..	040.7139944	+21.5133528	B	0.0	0.0	0.0	0.0	20.150	B
4	7.025	02 42 52.017336	+21 30 37.78992	1115-0034542	..	040.7167389	+21.5104972	B	0.0	0.0	0.0	0.0					20.360	B
5	8.646	02 42 51.390000	+21 30 50.43996	1115-0034530	..	040.7141250	+21.5140111	B	0.0	0.0	0.0	0.0					17.910	B
6	9.029	02 42 51.655344	+21 30 51.62004	1115-0034538	..	040.7152306	+21.5143389	B	14.0	6.0	-12.0	3.0	20.470	B			18.290	B
7	9.376	02 42 50.989992	+21 30 44.34984	1115-0034523	YM	040.7124583	+21.5123194	B	0.0	0.0	0.0	0.0	17.930	Y			12.490	B	14.400	13.704	13.243
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7	9.376	02 42 50.989992	+21 30 44.34984	1115-0034523	YM	040.7124583	+21.5123194	B	0.0	0.0	0.0	0.0	17.930	Y			12.490	B	14.400	13.704	13.243

%22>\Ahref='VizieR-5?-ref=VIZ6642873c2abe9e&-out.add=.&-source=I/297/out&NOMAD1===1115-0034533' class='full'8 9.42802 42 51.484656+21 30 33.450121115-0034533..040.7145194+21.5092917B -264.0 50.0 -208.0 74.021.360B                 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20Zone%20-30/%2b50deg%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	CMC14	f_	RAICRS deg	DEICRS deg	r'mag mag	Nt	Jmag mag	Hmag mag	Ksmag mag
1	2.031	02 42 51.65448	+21 30 40.5612	024251.6+213040		040.715227	+21.511267	16.517	1	15.046	14.397	13.906
2	9.768	02 42 50.96352	+21 30 44.5068	024250.9+213044		040.712348	+21.512363	16.258	2	14.401	13.704	13.244

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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	2.285	02 42 51.62304	+21 30 40.3380	NC6J008491	040.715096	+21.511205	1991.700	14.61	16.71	16.45	14.14	3	5.42	0.10
2	7.285	02 42 51.13416	+21 30 43.7184	NC6J008493	040.713059	+21.512144	1991.700	18.76				3	3.91	0.27
3	8.727	02 42 51.85368	+21 30 50.8428	NC6J013473	040.716057	+21.514123	1983.705			19.31	18.57	3	1.12	0.39
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%3cEM%3e3&%3cFONT%20COLOR=%27#CD5B45%27>%208.727&%3cFONT%20COLOR=%27#CD5B45%27>02%2042%2051.85368&%3cFONT%20COLOR=%27#CD5B45%27>%2b21%2030%2050.8428&NC6J013473&040.716057&%2b21.514123&1983.705&%20&%20&19.31&18.57&3&%20%201.12&%200.39%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6642873c2abe9e&-out.add=.&-source=I/305/out&GSC2.3===NC6J008490&-out.orig=o' class='full'4 9.75102 42 50.96400+21 30 44.4492NC6J008490040.712350+21.5123471991.70013.5215.7516.7812.743 7.45 0.28 %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	2.187	02 42 51.61704	+21 30 40.4532	040.715071	+21.511237	14.7	-8.5	15.046	13.906	17.99	15.66	15.09	14.01	13.32	6	0
2	2.526	02 42 51.50304	+21 30 41.1156	040.714596	+21.511421	-29.7	12.9				15.23	15.10	13.77		3	0
3	6.584	02 42 51.38568	+21 30 48.0456	040.714107	+21.513346	17.7	0.4			19.77	20.15				2	0
4	6.671	02 42 52.04904	+21 30 38.9196	040.716871	+21.510811	18.6	25.9					19.94	20.36		2	0
5	8.775	02 42 51.67224	+21 30 51.3612	040.715301	+21.514267	20.1	-16.2				20.47	19.30	18.29	18.98	4	0
6	8.833	02 42 51.45864	+21 30 34.1712	040.714411	+21.509492	-269.8	-193.3			20.45	21.36			19.12	3	1
7	9.026	02 42 51.36672	+21 30 50.7060	040.714028	+21.514085	-7.0	7.6					18.51	17.91	18.80	3	0
8	9.669	02 42 50.96904	+21 30 44.3808	040.712371	+21.512328	-5.5	0.0	14.401	13.244	17.11	14.48	13.46	12.49	11.90	6	1

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%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_r

%20

%22>%5cFONT SIZE=-1arcsec _RAJ2000
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_DEJ2000
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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
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Fld

dT
yr

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M

1 2.21502 42 51.62739+21 30 40.3992XPM 223-0032676040.715114+21.511222 -2.15 -3.40 -1.81 -3.1214.60816.71216.45014.14315.046 0.05414.397 0.06913.906 0.066 8920493617.015.6 41245.88030200M 2 9.80102 42 50.96397+21 30 44.6976XPM 223-0032671040.712350+21.512416 27.60 87.57 27.94 87.8513.51715.74816.78112.73514.401 0.04813.704 0.05713.244 0.053 8920493319.218.2 41145.87212400M %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	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	2.153	02 42 51.61806	+21 30 40.4850	040.715075	+21.511246	0.006	0.005	16.712	0.300	14.608	0.300	16.348	0.080	15.140	0.110	2008.7500	2008.7500	14.7	3.9	-8.5	3.9
2	2.526	02 42 51.50305	+21 30 41.1159	040.714596	+21.511421	0.133	0.133	15.230	0.400	13.770	0.400	14.012	0.400	12.873	0.500	1978.4300	1978.4300	-29.7	7.1	12.9	7.1
3	9.347	02 42 51.68467	+21 30 51.9258	040.715353	+21.514424	0.018	0.018	20.470	0.400	18.290	0.400	19.947	0.110	18.377	0.133	2008.7500	2008.7500	20.1	6.4	-16.2	6.4
4	9.785	02 42 50.95894	+21 30 44.2530	040.712329	+21.512293	0.005	0.006	15.748	0.300	13.517	0.300	15.739	0.080	14.450	0.110	2008.7500	2008.7500	-5.5	3.9	0.0	3.9

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	CMC15	RA_ICRS [****ClosingBrace(s)Inserted****]
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RA_ICRS

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%22>%5cFONT SIZE=-1degDE_ICRS
deg

r'mag
mag

pflag

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Jmag
mag

Hmag
mag

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mag

1 2.14302 42 51.65377+21 30 40.4494024251.6+213040040.715224+21.51123616.586   215.04614.39713.906 2 9.71402 42 50.96809+21 30 44.5466024250.9+213044040.712367+21.51237416.238   314.40113.70413.244 %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	2.216	02 42 51.623499	+21 30 40.40471	558-016711	040.7150725	+21.5112286	2013.087	16.596	0.031	-6.5	1.4	15.046	14.397	13.906
2	9.856	02 42 50.958213	+21 30 44.46217	558-016709	040.7123169	+21.5123422	2013.128	15.968	0.023	-2.3	-2.3	14.401	13.704	13.244

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