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	8.565	20 57 52.78344	-17 57 08.9532	0675-36018613	314.469931	-17.952487			20.5	17.3	1982.510
2	21.480	20 57 52.49352	-17 56 52.4400	0675-36018552	314.468723	-17.947900			16.6	15.2	1954.572
3	21.892	20 57 52.41600	-17 56 52.7712	0675-36018528	314.468400	-17.947992			16.0	15.1	1982.510
4	28.007	20 57 53.42136	-17 57 37.7928	0675-36018795	314.472589	-17.960498			19.7	18.1	1982.510

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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	20.933	20 57 52.46616	-17 56 53.4264	S33133301124	314.468609	-17.948174	1993.682	14.03	0.42	14.83	0.36	3	8.79	0.37
2	20.982	20 57 52.66776	-17 56 51.4428	S33133301275	314.469449	-17.947623	1984.585	18.17	0.43			3	3.86	0.66
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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>20.982&%3cFONT%20COLOR=%27#CD5B45%27>20%2057%2052.66776&%3cFONT%20COLOR=%27#CD5B45%27>-17%2056%2051.4428&S33133301275&314.469449&-17.947623&1984.585&18.17&%200.43&%20&%20&3&%20%203.86&%200.66%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6641152d3e846e&-out.add=.&-source=I/271/out&GSC2.2===S33133301274' class='full'322.19120 57 53.34912-17 56 47.6052S33133301274314.472288-17.9465571993.68217.46 0.4218.12 0.373 4.47 0.25 %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	12.987	20 57 52.47072	-17 57 09.8028	0720-1124571	314.468628	-17.952723	999	475	1975.9	0	0	3	20.93		20.83	19.94
2	19.636	20 57 54.09888	-17 57 26.5428	0720-1124586	314.475412	-17.957373	156	135	1988.7	0	0	2			21.97	20.43
3	21.449	20 57 53.27088	-17 56 48.4008	0720-1124577	314.471962	-17.946778	981	999	1991.0	-320	-464	3			18.32	18.98	18.19
4	21.746	20 57 52.42536	-17 56 52.8504	0720-1124570	314.468439	-17.948014	535	159	1980.8	0	0	4	17.66		15.58	14.68	14.71
5	22.489	20 57 52.35072	-17 56 52.7712	0720-1124569	314.468128	-17.947992	248	166	1974.6	-40	0	5	16.72	14.93	15.11	14.25	14.64
6	22.910	20 57 53.37888	-17 56 46.8816	0720-1124579	314.472412	-17.946356	272	253	1979.6	0	0	4		18.59	15.78	18.20	17.82
7	26.738	20 57 53.80008	-17 56 43.7316	0720-1124585	314.474167	-17.945481	136	231	1974.3	-80	-490	3	20.94		17.73	16.86
8	28.133	20 57 53.40672	-17 57 37.9224	0720-1124580	314.472528	-17.960534	94	141	1975.6	0	0	5	20.60	18.80	19.73	19.23	18.13
9	28.976	20 57 54.47280	-17 56 45.3624	0720-1124588	314.476970	-17.945934	313	999	1954.5	0	0	2	17.85	16.77

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	NOMAD1 [****ClosingBrace(s)Inserted****]
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NOMAD1

%22>YM

RAJ2000
degDEJ2000
degr

pmRA
mas/yre_
(...)pmDE
mas/yre_
(...)Bmag
magr_

Vmag
magr_

Rmag
magr_

Jmag
magHmag
magKmag
magR

112.98720 57 52.470672-17 57 09.799920720-1172913..314.4686278-17.9527222B 0.0 0.0 0.0 0.020.830B    19.940B         219.63220 57 54.098664-17 57 26.539920720-1172928..314.4754111-17.9573722B 0.0 0.0 0.0 0.021.970B    20.430B         321.45020 57 53.270664-17 56 48.400080720-1172919.M314.4719611-17.9467778B -320.0 94.0 -464.0229.018.320B    18.980B16.61415.97415.737   421.74720 57 52.425336-17 56 52.850040720-1172912YM314.4684389-17.9480139B 0.0 0.0 0.0 0.015.920Y16.040Y14.680B15.07314.65614.592   522.49120 57 52.350672-17 56 52.770120720-1172911YM314.4681278-17.9479917B -40.0 8.0 0.0 5.015.110B16.820Y14.250B15.98915.30414.970   622.91220 57 53.378664-17 56 46.880160720-1172920..314.4724111-17.9463556B 0.0 0.0 0.0 0.015.780B    18.200B         726.74020 57 53.800008-17 56 43.730160720-1172927..314.4741667-17.9454806B -80.0 4.0 -490.0 7.017.730B    16.860B         828.13020 57 53.406672-17 57 37.919880720-1172922..314.4725278-17.9605333B 0.0 0.0 0.0 0.019.730B    19.230B         928.97720 57 54.472656-17 56 45.359880720-1172930..314.4769694-17.9459333B 0.0 0.0 0.0 0.017.850o    16.770e         %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	20.378	20 57 52.54896	-17 56 53.2284	205752.5-175653		314.468954	-17.948119	15.881	2	15.073	14.656	14.592

%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	9.210	20 57 53.60424	-17 57 01.1520	SC8S027621	314.473351	-17.950320	1995.622				18.06	3	4.27	0.41
2	10.544	20 57 52.64232	-17 57 10.1556	SC8S001059	314.469343	-17.952821	1993.682	19.03				3	3.79	0.41
3	17.512	20 57 54.59208	-17 57 06.9768	SC8S001057	314.477467	-17.951938	1993.682	19.47				3	3.88	0.49
4	20.013	20 57 54.10992	-17 57 26.8884	SC8S022310	314.475458	-17.957469	1993.682	20.04				3	1.88	0.34
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%3cEM%3e4&%3cFONT%20COLOR=%27#CD5B45%27>20.013&%3cFONT%20COLOR=%27#CD5B45%27>20%2057%2054.10992&%3cFONT%20COLOR=%27#CD5B45%27>-17%2057%2026.8884&SC8S022310&314.475458&-17.957469&1993.682&20.04&%20&%20&%20&3&%20%201.88&%200.34%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6641152d3e846e&-out.add=.&-source=I/305/out&GSC2.3===SC8S001124&-out.orig=o' class='full'520.93620 57 52.46640-17 56 53.4192SC8S001124314.468610-17.9481721993.68214.0315.17  14.473 8.79 0.37 622.19520 57 53.34912-17 56 47.6016SC8S001274314.472288-17.9465561993.68217.4618.06  16.983 4.47 0.25 728.11720 57 53.39808-17 57 37.9080SC8S000959314.472492-17.9605301993.68218.7520.22  18.163 2.67 0.25 %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	10.597	20 57 52.63872	-17 57 09.3996	314.469328	-17.952611	183.8	3.6			20.93	20.83		19.94		3	1
2	20.367	20 57 52.55208	-17 56 53.2104	314.468967	-17.948114	67.4	-19.9	15.073	14.592	17.66	15.58		14.68	14.71	5	1
3	21.859	20 57 53.28072	-17 56 47.9796	314.472003	-17.946661	-309.0	-452.7	16.615	15.738		18.32		18.98	18.19	4	1
4	22.604	20 57 53.35368	-17 56 47.1912	314.472307	-17.946442	-10.7	-13.6	16.615	15.738		15.78	18.59		17.82	4	1
5	23.713	20 57 52.23984	-17 56 52.5516	314.467666	-17.947931	-81.8	1.9	15.989	14.970	16.72	15.11	14.93		14.64	5	1
6	26.600	20 57 53.81040	-17 56 43.9080	314.474210	-17.945530	-78.7	-497.5			20.94	17.73				2	0
7	27.877	20 57 53.41920	-17 57 37.6632	314.472580	-17.960462	3.7	2.1			20.60	19.73	18.80	19.23	18.13	5	0

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

%20

%22>%5cFONT SIZE=-1"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

120.18120 57 52.56529-17 56 53.3041XPM 144-1439434314.469022-17.948140 70.75 -23.57 69.77 -23.3114.03415.169  14.46515.073 0.04914.656 0.07914.592 0.095129704854916.315.1 81829.88918700M %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	20.429	20 57 52.54520	-17 56 53.2037	314.468938	-17.948112	0.001	0.001	15.169	0.300	14.034	0.300	16.203	0.080	15.369	0.110	2005.4500	2005.4500	67.4	5.4	-19.9	5.4
2	21.859	20 57 53.28072	-17 56 47.9800	314.472003	-17.946661	0.112	0.129	18.320	0.400	18.980	0.400	18.766	0.400	19.198	0.500	1993.1200	1993.1200	-309.0	20.4	-452.7	20.9
3	22.311	20 57 53.34234	-17 56 47.4878	314.472260	-17.946524	0.009	0.010	18.061	0.300	17.456	0.300	19.281	0.105	17.514	0.129	2005.4500	2005.4500	-10.7	6.5	-13.6	6.5
4	23.626	20 57 52.24091	-17 56 52.6574	314.467670	-17.947960	0.009	0.011	15.110	0.400	14.930	0.400	17.591	0.082	16.332	0.111	2005.4500	2005.4500	-81.8	4.3	1.9	4.3
5	28.132	20 57 53.42016	-17 57 37.9185	314.472584	-17.960533	0.006	0.006	20.217	0.300	18.750	0.300	18.976	0.083	17.921	0.112	2005.4500	2005.4500	3.7	5.7	2.1	5.7

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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

%20

%22>%5cFONT SIZE=-1"d:m:s"CMC15

RA_ICRS
deg

DE_ICRS
deg

r'mag
mag

pflag

Nt

Jmag
mag

Hmag
mag

Ksmag
mag

120.39020 57 52.54824-17 56 53.2213205752.5-175653314.468951-17.94811715.881: 215.07314.65614.592 %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"	RAICRS deg	e_ mas	DEICRS deg	e_ mas	ID	Type	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	Nobs	Dt yr	Rmag mag	Bmag mag	Nmag mag	Vmag mag	Jmag mag	Hmag mag	Kmag mag
1	21.453	20 57 52.439547	-17 56 53.06398	314.4684981	163.00	-17.9480733	84.00	48636+0001124	4	-0.5	6.0	-10.2	3.1	7	41.052	14.034	15.169	14.465		15.073	14.656	14.592
2	22.521	20 57 53.324804	-17 56 47.28521	314.4721867	95.00	-17.9464681	70.00	48636+0001274	4	-7.8	4.2	6.3	3.1	6	41.052	17.456	18.061	16.977		16.615	15.974	15.738
3	27.979	20 57 53.401794	-17 57 37.76911	314.4725075	80.00	-17.9604914	61.00	48636+0000959	0	4.8	2.9	2.1	2.3	7	41.052	18.750	20.217	18.160

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