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	1.054	03 26 22.21152	+46 37 59.6712	1350-03438784	051.592548	+46.633242			18.6	18.7	1954.758
2	20.576	03 26 23.77872	+46 37 48.5508	1350-03439319	051.599078	+46.630153			16.4	15.4	1954.758

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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	0.920	03 26 22.19184	+46 37 59.4840	N333121035011	051.592466	+46.633190	1989.760	18.08	0.41			3	2.13	0.12
2	20.679	03 26 23.77296	+46 37 48.2772	N333121034956	051.599054	+46.630077	1989.760	14.98	0.41	16.42	0.41	3	3.61	0.02

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>	\BegDIVclass='sort-down ' </A>
dec 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	0.747	03 26 22.18080	+46 37 59.6712	1366-0078846	051.592420	+46.633242	114	90	1976.7	0	0	5	19.75	18.64	19.32	18.23	17.90
2	18.800	03 26 21.45936	+46 38 17.4408	1366-0078841	051.589414	+46.638178	999	385	1978.0	-34	42	3	21.13		20.30	19.10
3	20.538	03 26 23.76336	+46 37 48.3816	1366-0078856	051.599014	+46.630106	79	47	1976.7	-2	-6	5	16.40	15.02	16.15	15.39	14.82

Note: More recent versions available: UCAC3 (I/315) and UCAC4 (I/322); see also the UCAC home page at http://ad.usno.navy.mil/ucac/

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	2UCAC	RAJ2000 deg	e_ mas	DEJ2000 deg	e_ mas	UCmag mag	No	Nc	pmRA mas/yr	pmDE mas/yr	2Mkey	Jmag mag	Kmag mag
1	20.811	03 26 23.778864	+46 37 48.13104	47498310	051.5990786	15	+46.6300364	37	15.65	2	2	5.1	-8.5	781922977	13.761	13.310

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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	[****ClosingBrace(s)Inserted****]
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mag&%">\BegDIVclass='sort-down ' </A>decHmag
magKmag
mag

R

1 0.74603 26 22.180656+46 37 59.670121366-0079921..051.5924194+46.6332417B 0.0 0.0 0.0 0.019.320B    18.230B         218.80003 26 21.459336+46 38 17.440081366-0079916..051.5894139+46.6381778B -34.0 38.0 42.0 14.020.300B    19.100B         320.81103 26 23.778864+46 37 48.131041366-0079931YM051.5990786+46.6300364C 5.0 5.8 -8.5 6.015.470Y15.260Y15.390B13.76113.36613.310   %0a%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	20.727	03 26 23.77680	+46 37 48.2484	032623.7+463748		051.599070	+46.630069	15.200	2	13.761	13.366	13.310

%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	0.921	03 26 22.19208	+46 37 59.4876	NCIS035011	051.592467	+46.633191	1989.760	18.08	19.67		17.84	3	2.13	0.12
2	20.677	03 26 23.77296	+46 37 48.2808	NCIS034956	051.599054	+46.630078	1989.760	14.98	16.42	15.56	14.51	0	3.61	0.02

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