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	0.425	23 55 09.05208	+10 12 52.9200	0975-21413602	358.787717	+10.214700			15.8	16.3	1949.882

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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	0.313	23 55 09.06936	+10 12 53.3412	EO0009-0185585	358.787789	+10.214817	17.25		2	24.21	13.7	0.36	18.47		1	15.28	14.1	1.22
2	0.753	23 55 09.03672	+10 12 53.4816	EO0318-0452069	358.787653	+10.214856	16.25		1	24.80	12.0	0.22	16.98		1	15.77	12.5	0.73
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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	0.204	23 55 09.07080	+10 12 53.2260	N00032003769	358.787795	+10.214785	1986.746	15.47	0.42	15.09	0.42	3	5.73	0.07
2	0.330	23 55 09.10008	+10 12 53.1828	N0003200456	358.787917	+10.214773	1991.697	16.35	0.42	15.89	0.41	3	5.44	0.27

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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	0.414	23 55 09.07416	+10 12 53.4708	1002-0628172	358.787809	+10.214853	138	100	1975.7	10	12	5	16.34	15.78	14.46	15.08	15.30
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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	0.413	23 55 09.073992	+10 12 53.47008	1002-0672886	..	358.7878083	+10.2148528	B	10.0	4.0	12.0	3.0	14.460	B			15.080	B
2	0.495	23 55 09.048672	+10 12 52.85988	1002-0672885	Y.	358.7877028	+10.2146833	B	50.0	3.0	-2.0	25.0	17.310	Y	16.750	Y	18.470	e
3	2.429	23 55 08.914656	+10 12 53.03016	1002-0672884	..	358.7871444	+10.2147306	B	0.0	0.0	0.0	0.0					17.890	e
4	4.381	23 55 09.374664	+10 12 53.47008	1002-0672888	..	358.7890611	+10.2148528	B	0.0	0.0	0.0	0.0	19.830	o			18.970	e
5	6.621	23 55 08.651328	+10 12 55.05012	1002-0672881	..	358.7860472	+10.2152917	B	0.0	0.0	0.0	0.0					19.850	B
6	7.404	23 55 08.619336	+10 12 56.01996	1002-0672880	..	358.7859139	+10.2155611	B	-268.0	135.0	616.0	56.1					19.110	B
7	10.623	23 55 08.388000	+10 12 50.10984	1002-0672879	..	358.7849500	+10.2139194	B	0.0	0.0	0.0	0.0	20.970	B			19.720	e
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7	10.623	23 55 08.388000	+10 12 50.10984	1002-0672879	..	358.7849500	+10.2139194	B	0.0	0.0	0.0	0.0	20.970	B			19.720	e

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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	0.330	23 55 09.10008	+10 12 53.1828	N068000456	358.787917	+10.214773	1991.697	16.35	15.89	16.87	16.78	3	5.44	0.27

%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	0.249	23 55 09.07800	+10 12 53.3124	358.787825	+10.214809	10.5	7.5			16.34	14.46	15.78	15.08	15.30	5	0
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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.249&%3cFONT%20COLOR=%27#CD5B45%27>23%2055%2009.07800&%3cFONT%20COLOR=%27#CD5B45%27>%2b10%2012%2053.3124&358.787825&%2b10.214809&%20%20%20%2010.5&%20%20%20%20%207.5&%20&%20&16.34&14.46&15.78&15.08&15.30&%205&%200%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6627ff0e3bd161&-out.add=.&-source=I/317/sample&PPMXL===1835130143208688117' class='full'2 0.42623 55 09.05064+10 12 53.0064358.787711+10.214724 46.7 -0.2      14.1718.47  16.97 3 0 3 3.40923 55 08.85144+10 12 53.6256358.786881+10.214896 -20.7 11.5        17.89  18.22 2 0 4 6.92923 55 08.65104+10 12 55.9044358.786046+10.215529 17.4 18.5        19.3219.8518.83 3 1 5 9.15023 55 08.50632+10 12 56.5560358.785443+10.215710 -295.2 622.6        19.3119.1117.91 3 1 610.84523 55 08.39712+10 12 49.0356358.784988+10.213621 2.8 -76.3      20.9719.72     2 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	1.000	23 55 09.13548	+10 12 53.6207	358.788064	+10.214895	0.198	0.124	15.892	0.300	16.346	0.300	16.651	0.083	15.725	0.112	2008.9900	2008.9900	10.5	5.2	7.5	5.2

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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 mas/yr	e_ (...)	pmDE [****ClosingBrace(s)Inserted****]
">

pmDE

%22>%5cFONT SIZE=-1mas/yre_
(...)Nobs

Dt
yrRmag
magBmag
magNmag
magVmag
magJmag
magHmag
magKmag
mag 1 0.26423 55 09.078341+10 12 53.32785358.7878264 184.00+10.2148133 73.0049376+00004564 1.4 7.6 4.8 3.0 540.323 16.346 15.892 16.775 16.872       %0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	pmRA mas/yr	pmDE mas/yr	RADEcor	Dup	<FG> e-/s	e_ e-/s	<Gmag> mag	Var
1	1.446	23 55 09.143423015	+10 12 54.15562177	358.7880975959	3.015	+10.2150432283	1.793	2759496387233203328				0.995	0	4.5647e+02	7.9035e+00	18.876	NOT_AVAILABLE

%0a%0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	e_ mas	pmRA mas/yr	e_ (...)	pmDE mas/yr	[****ClosingBrace(s)Inserted****]
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mas/yr&%">\BegDIVclass='sort-down ' </A>dece_
(...)Dup

FG
e-/se_
e-/sGmag
mage_
magFBP
e-/se_
e-/sBPmag
mage_
magFRP
e-/se_
e-/sRPmag
mage_
magBP-RP
magRV
km/se_
km/sTeff
KAG
magE(BP-RP)
magRad
solRadLum
solLum 1 1.44723 55 09.1434625884+10 12 54.155975223358.78809776078 1.6396+10.21504332645 0.77992759496391529726720            1 2.7292e+02 9.2043e+0019.59830.0366 3.0477e+02 1.4997e+0119.14150.0534 5.9463e+02 2.4587e+0117.82630.0449 1.3152               %0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RA_ICRS deg	e_ mas	DE_ICRS deg	e_ mas	Source	Plx mas	e_ mas	PM mas/yr	pmRA mas/yr	e_ (...)	pmDE mas/yr	e_ (...)	RUWE	FG e-/s	e_ e-/s	Gmag mag	e_ mag	FBP e-/s	e_ e-/s	BPmag mag	e_ mag	FRP e-/s	e_ e-/s	RPmag mag	e_ mag	BP-RP mag	RVDR2 km/s	e_ km/s	Tefftemp K	loggtemp [****ClosingBrace(s)Inserted****]
loggtemp ">
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