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	4.949	23 33 20.84544	+04 48 39.1608	0900-20434069	353.336856	+04.810878			19.2	19.0	1953.622
2	6.237	23 33 20.81688	+04 48 40.3812	0900-20434065	353.336737	+04.811217			19.1	19.4	1953.622

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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	3.787	23 33 20.74800	+04 48 33.2604	EO0796-0233656	353.336450	+04.809239	20.00	L	0				21.61		1	3.89	3.7	1.61
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%203.787&%3cFONT%20COLOR=%27#CD5B45%27>23%2033%2020.74800&%3cFONT%20COLOR=%27#CD5B45%27>%2b04%2048%2033.2604&EO0796-0233656&353.336450&%2b04.809239&20.00&L&%200&%20&%20&%20&21.61&%20&%201&%20%20%203.89&%20%20%203.7&%20%201.61&%20%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663c4f9f2416a3&-out.add=.&-source=I/267/out&APM-ID===EO0796-0233532&-out.orig=o' class='full'2 6.59123 33 20.83344+04 48 40.8600EO0796-0233532353.336806+04.81135019.72  -1 -0.71 3.6 0.1820.23   1 5.96 9.1 0.51* %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	4.695	23 33 20.82816	+04 48 38.7432	0948-0593649	353.336784	+04.810762	81	547	1966.9	0	0	3	19.39	19.31		19.40
2	5.203	23 33 20.66400	+04 48 36.7308	0948-0593647	353.336100	+04.810203	410	719	1971.6	0	0	4	20.12	19.74	20.90	19.85
3	5.668	23 33 20.78616	+04 48 39.5028	0948-0593648	353.336609	+04.810973	191	350	1971.6	0	0	4	19.61	19.72	19.61	19.75

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

%22>Vmag
magr_

Rmag
magr_

Jmag
magHmag
magKmag
magR

1 4.69323 33 20.827992+04 48 38.739960948-0650461..353.3367833+04.8107611B 0.0 0.0 0.0 0.019.390o    19.400B         2 5.20323 33 20.664000+04 48 36.730080948-0650459..353.3361000+04.8102028B 0.0 0.0 0.0 0.020.900B    19.850B         3 5.66723 33 20.785992+04 48 39.499920948-0650460..353.3366083+04.8109722B 0.0 0.0 0.0 0.019.610B    19.750B         %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	4.145	23 33 20.80560	+04 48 37.8432	N05W001048	353.336690	+04.810512	1993.639	20.47	19.75			3	2.41	0.72

%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	4.582	23 33 20.82624	+04 48 38.5956	353.336776	+04.810721	-2.3	-12.5			19.39		19.31	19.40		3	0
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%204.582&%3cFONT%20COLOR=%27#CD5B45%27>23%2033%2020.82624&%3cFONT%20COLOR=%27#CD5B45%27>%2b04%2048%2038.5956&353.336776&%2b04.810721&%20%20%20%20-2.3&%20%20%20-12.5&%20&%20&19.39&%20&19.31&19.40&%20&%203&%200%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663c4f9f2416a3&-out.add=.&-source=I/317/sample&PPMXL===1826379164238727496' class='full'2 5.55423 33 20.77296+04 48 39.2400353.336554+04.810900 -5.7 -17.1    19.6119.6119.7219.75   4 0 3 5.58823 33 20.62704+04 48 36.3528353.335946+04.810098 -13.7 -28.8    20.1220.9019.7419.85   4 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	4.582	23 33 20.82624	+04 48 38.5962	353.336776	+04.810721	0.133	0.133	19.746	0.300	20.474	0.300	20.239	0.400	20.726	0.500	1966.9600	1966.9600	-2.3	7.0	-12.5	7.0
2	5.294	23 33 20.80553	+04 48 39.2395	353.336690	+04.810900	0.335	0.143	19.610	0.400	19.750	0.400	19.121	0.104	18.483	0.128	2008.8100	2008.8100	-5.7	6.3	-17.1	6.3
3	5.588	23 33 20.62706	+04 48 36.3530	353.335946	+04.810098	0.115	0.115	20.900	0.400	19.850	0.400	20.067	0.400	19.205	0.500	1971.6800	1971.6800	-13.7	6.3	-28.8	6.3

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	DE_ICRS deg	[****ClosingBrace(s)Inserted****]
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mas/yr

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mas/yr

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pmxDE
mas/yr

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Chi2DE

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mas/yr

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DR9+DR12

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1 5.49823 33 20.7349163817+04 48 40.274015990353.33644400292+04.8107967065321.380556 17.405 37.502 -179.452 92.167 4.84237e-01   -140.587 55.680 0.474 64.707 7.44788e-01   5 0PS1Gaia DR9+DR12Sloan2M %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	4.723	23 33 20.8131627494	+04 48 38.829283571	N05W001048	353.33671872000	+04.81073185000	100031101048	2011.970	3		20.111900	19.746900	20.474400						21.258	21.834	21.380	21.456	21.224													2.414	0.717	49.5
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1	4.723	23 33 20.8131627494	+04 48 38.829283571	N05W001048	353.33671872000	+04.81073185000	100031101048	2011.970	3		20.111900	19.746900	20.474400						21.258	21.834	21.380	21.456	21.224													2.414	0.717	49.5

%22>\Ahref='VizieR-5?-ref=VIZ663c4f9f2416a3&-out.add=.&-source=I/353/gsc242&-c=353.33655078000%20%2b04.81084164000,eq=ICRS,rs=2&-out.orig=o' class='full'2 5.38923 33 20.7721872000+04 48 39.029904000N05W032542353.33655078000+04.81084164000 10003110325422013.9983                    21.53921.38021.57220.920                               3 5.56623 33 20.8293768000+04 48 39.729528000N05W032415353.33678907000+04.81103598000 10003110324152014.4373                    21.826  21.395              17.27616.97712.504 8.79120.56120.743       4 6.12523 33 20.7037224000+04 48 39.139200000N05W032334353.33626551000+04.81087200000 10003110323342012.0213                    21.82721.41921.512                                 %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"	RAJ2000 deg	DEJ2000 deg	FUV mag	e_ mag	NUV mag	e_ mag	r.fov deg	b	Fafl	Nafl	Fexf	Nexf	Fr arcsec	Nr arcsec
1	6.864	23 33 20.85674	+04 48 41.2595	353.336903	+04.811461	20.738	0.333	21.146	0.351	0.481507	3	0	0	2	2	11.77	11.77

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	AllWISE	RAJ2000 deg	DEJ2000 deg	Im	W1mag mag	e_ mag	W2mag mag	e_ mag	W3mag [****ClosingBrace(s)Inserted****]
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1 5.97023 33 20.816317+04 48 40.08448J233320.81+044840.0353.3367347+04.8111346Im17.276 0.16716.977  12.504   8.791              00000nnnn 1227 2277 688 2359BUUU  2M %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	Name	r.fov deg	b	FUVmag mag	e_ mag	NUVmag mag	e_ mag	Fafl	Nafl	Fexf	Nexf	Fr deg	Nr deg
1	6.296	23 33 20.83242	+04 48 40.5396	353.336802	+04.811261	GALEX J233320.8+044840	0.484838	3	20.5613	0.2388	20.7427	0.1618	0	0	0	0	0.005093	0.006439

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