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	1.200	01 46 16.21152	+12 32 24.2916	0975-00398500	026.567548	+12.540081			19.5	18.8	1949.888

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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	1.055	01 46 16.19136	+12 32 24.2520	EO0014-0174750	026.567464	+12.540070	19.02		2	2.57	8.9	0.49	20.73		-1	-0.92	4.9	1.70
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%201.055&%3cFONT%20COLOR=%27#CD5B45%27>01%2046%2016.19136&%3cFONT%20COLOR=%27#CD5B45%27>%2b12%2032%2024.2520&EO0014-0174750&026.567464&%2b12.540070&19.02&%20&%202&%20%20%202.57&%20%20%208.9&%200.49&20.73&%20&-1&%20%20-0.92&%20%20%204.9&%20%201.70&%20%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ66386aa91e000e&-out.add=.&-source=I/267/out&APM-ID===EO0014-0174614&-out.orig=o' class='full'2 7.35601 46 15.74808+12 32 29.4720EO0014-0174614026.565617+12.54152020.00L 0      21.60   1 4.35 4.1 1.60   3 7.68901 46 16.41744+12 32 18.5028EO0014-0174912026.568406+12.53847319.70   2 2.80 6.2 0.4921.63L 0     1.93   %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	1.185	01 46 16.19088	+12 32 24.1008	1025-0021507	026.567462	+12.540028	43	160	1974.9	0	0	5	20.43	19.11	19.51	19.62	18.65
2	1.957	01 46 16.13136	+12 32 23.2404	1025-0021506	026.567214	+12.539789	999	999	1972.3	0	0	2		19.80			18.91

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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_ [****ClosingBrace(s)Inserted****]
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r_

%22>Rmag
magr_

Jmag
magHmag
magKmag
magR

1 1.18401 46 16.190664+12 32 24.100081025-0021636..026.5674611+12.5400278B 0.0 0.0 0.0 0.019.510B    19.620B         2 1.95801 46 16.131336+12 32 23.240041025-0021635..026.5672139+12.5397889B 0.0 0.0 0.0 0.0        19.800e         %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	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag mag	jmag mag	Vmag mag	Nmag mag	Class	a pix	e
1	1.347	01 46 16.22616	+12 32 24.3060	NBBL003137	026.567609	+12.540085	1988.632	19.32	20.53			3	2.96	0.34

%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	0.237	01 46 16.15512	+12 32 24.9288	026.567313	+12.540258	28.6	31.9					19.80		18.91	2	0
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.237&%3cFONT%20COLOR=%27#CD5B45%27>01%2046%2016.15512&%3cFONT%20COLOR=%27#CD5B45%27>%2b12%2032%2024.9288&026.567313&%2b12.540258&%20%20%20%2028.6&%20%20%20%2031.9&%20&%20&%20&%20&19.80&%20&18.91&%202&%200%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ66386aa91e000e&-out.add=.&-source=I/317/sample&PPMXL===2101679239647213711' class='full'2 1.34201 46 16.19520+12 32 23.9568026.567480+12.539988 -0.9 -9.2    20.4319.5119.1119.6218.65 5 0 %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	1.241	01 46 16.20661	+12 32 24.1771	026.567528	+12.540049	0.062	0.045	20.528	0.300	19.321	0.300	19.529	0.093	18.543	0.120	2008.8300	2008.8300	28.6	7.2	31.9	7.2
2	1.342	01 46 16.19522	+12 32 23.9569	026.567480	+12.539988	0.103	0.103	19.510	0.400	19.620	0.400	19.572	0.400	19.575	0.500	1974.9900	1974.9900	-0.9	5.0	-9.2	5.0

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAICRS deg	e_ mas	DEICRS deg	e_ mas	ID	Type	pmRA [****ClosingBrace(s)Inserted****]
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pmRA

%20

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pmDE
mas/yr

e_
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Nobs

Dt
yr

Rmag
mag

Bmag
mag

Nmag
mag

Vmag
mag

Jmag
mag

Hmag
mag

Kmag
mag

1 1.42301 46 16.219053+12 32 24.09106026.5675794 128.00+12.5400253 114.0063825+00031374 7.7 4.3 3.0 3.8 642.766 19.321 20.528           %0a%0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	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	1.210	01 46 16.2129264000	+12 32 24.297540000	NBBL028760	026.56755386000	+12.54008265000	1321110128760	2011.420	3											21.160	20.231	20.621	19.498	19.6799						17.021	16.521	12.257	9.174		22.019
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1	1.210	01 46 16.2129264000	+12 32 24.297540000	NBBL028760	026.56755386000	+12.54008265000	1321110128760	2011.420	3											21.160	20.231	20.621	19.498	19.6799						17.021	16.521	12.257	9.174		22.019

%22>\Ahref='VizieR-5?-ref=VIZ66386aa91e000e&-out.add=.&-source=I/353/gsc242&-c=026.56759293000%20%2b12.54008954000,eq=ICRS,rs=2&-out.orig=o' class='full'2 1.29301 46 16.2152123833+12 32 24.229080102NBBL003137026.56759293000+12.54008954000 1321110131372013.9433  20.20280020.52850019.321100          22.08020.72120.56920.39320.30020.2036                       2.961 0.341153.3 %0a%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"	WISE	RAJ2000 deg	DEJ2000 deg	eeMaj arcsec	eeMin arcsec	Im	W1mag mag	e_ mag	W2mag mag	e_ mag	W3mag mag	e_ mag	W4mag mag	e_ mag	Jmag mag	Hmag mag	Kmag mag	ccf	ex	var	d2M arcsec	2M
1	1.145	01 46 16.14704	+12 32 24.0278	J014616.14+123224.0	026.567279	+12.540008	0.714	0.646	Im	17.029	0.126	16.537	0.282	12.096	0.251	9.061	0.405				0000	0	nnnn		2M

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 [****ClosingBrace(s)Inserted****]
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%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_DEJ2000

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%22>%5cFONT SIZE=-1"d:m:s"RAJ2000
deg

DEJ2000
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FUV
mag

e_
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NUV
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e_
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r.fov
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b

Fafl

Nafl

Fexf

Nexf

Fr
arcsec

Nr
arcsec

1 1.01401 46 16.22458+12 32 25.1268026.567602+12.540313    21.643 0.385 0.3192631256 0 0 2   16.26 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20please%20%3cB%3e%3cFONT%20COLOR=%27#8B0000%27>credit%20the%20usage%20of%20the%20UKIDSS%20data%20%28details%20at%20http://www.ukidss.org/archive/archive.html%29%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ULAS	m	RAJ2000 deg	DEJ2000 deg	Ymag mag	e_ mag	Jmag1 mag	e_ mag	Jmag2 mag	e_ mag	Hmag mag	e_ mag	Kmag mag	e_ mag	Epoch yr	pmRA mas/yr	pmDE mas/yr	cl
1	1.267	01 46 16.21611	+12 32 24.2629	J014616.21+123224.2	1	026.567567	+12.540073							18.325	0.125	18.162	0.174	2010.8306			1

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