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	8.435	17 29 55.43952	+00 41 55.2624	0900-09897822	262.480998	+00.698684			19.5	18.9	1954.578

%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	8.594	17 29 55.42872	+00 41 55.1112	0906-0296991	262.480953	+00.698642	239	139	1972.7	0	0	4	20.43	19.36	20.10	18.83

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20Naval%20Observatory%20Merged%20Astrometric%20Dataset%20%28NOMAD%29%20contains%0aastrometric%20and%20photometric%20data%20for%20over%201%20billion%20stars%20derived%20from%0athe%20Hipparcos%20%28I/239%29,%20Tycho-2%20%28I/259%29,%20UCAC2%20%28I/289%29,%20and%20USNO-B1.0%0a%28I/284%29%20catalogs%20for%20astrometry%20and%20optical%20photometry,%20supplemented%0aby%202MASS%20%28II/246%29%20near-infrared%20photometry.%3cBR%3e%0a%3cFONT%20SIZE=%27-1%27%3eAn%20efficient%20remote%20query%20program%20%3cB%3efindnomad1%20is%0aavailable%20in%20the%20cdsclient%20%0apackage,%20for%20Unix/Linux%20platforms%0a%3cP%3e%0a

Full [****ClosingBrace(s)Inserted****]

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%22> Full

">  _r
arcsec _RAJ2000
"h:m:s" _DEJ2000
"d:m:s"NOMAD1

YM

RAJ2000
degDEJ2000
degr

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

Vmag
magr_

Rmag
magr_

Jmag
magHmag
magKmag
magR

1 8.59417 29 55.428672+00 41 55.110120906-0302061Y.262.4809528+00.6986417B 0.0 0.0 0.0 0.018.350Y    18.830B         %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	0.468	17 29 56.02824	+00 41 55.2264	N36U031546	262.483451	+00.698674	1990.335		21.35			3	1.69	0.38
2	8.208	17 29 55.45440	+00 41 54.9060	N36U031548	262.481060	+00.698585	1992.351	18.98	20.23		18.56	3	1.84	0.28

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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 [****ClosingBrace(s)Inserted****]
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fl

%20

%22> 1 8.64317 29 55.42536+00 41 54.8916262.480939+00.698581 -0.4 -7.3    20.4320.1019.3618.83   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	0.163	17 29 55.99600	+00 41 54.8430	262.483317	+00.698568	0.069	0.053	21.347	0.300	21.264	0.225	20.906	0.194	20.145	0.208	2002.4000	2002.4000	0.0	0.0	0.0	0.0
2	8.413	17 29 55.44073	+00 41 54.8486	262.481003	+00.698569	0.015	0.014	20.233	0.300	18.979	0.300	19.305	0.093	18.325	0.120	2002.4000	2002.4000	-0.4	6.3	-7.3	6.3
3	9.781	17 29 55.92951	+00 41 45.2618	262.483040	+00.695906	0.048	0.044	22.912	0.367	21.045	0.212	20.282	0.321	18.619	0.329	2002.4000	2002.4000	0.0	0.0	0.0

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

%20

%22>Plx
mas

pmRA
mas/yr

pmDE
mas/yr

RADEcor

Dup

<FG>
e-/s

e_
e-/s

<Gmag>
mag

Var

1 8.41917 29 55.440429591+00 41 54.81079051262.4810017900 4.914+00.6985585529 4.3194374076023749159296       0.9930 3.2900e+02 2.1836e+0019.232NOT_AVAILABLE 2 9.85917 29 55.920129779+00 41 45.20002726262.4830005407 4.154+00.6958888965 4.5324374076023751616640       0.9040 9.7887e+01 3.4228e+0020.548NOT_AVAILABLE %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	ipix	comp	pmRA mas/yr	pmDE mas/yr	Jmag mag	Hmag mag	Kmag mag	B1mag mag	B2mag mag	R1mag mag	R2mag mag	Imag mag	GaiaId	Gmag mag	Clone	Nosc
1	8.481	17 29 55.436204736	+00 41 54.91180860	262.4809841864	+00.6985866135	5279758306742484068		4.220	-6.735				20.43	20.10	19.36	18.83		4374076023749159296	19.232

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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 [****ClosingBrace(s)Inserted****]
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pmRA

%20

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

pmDE
mas/yr

e_
(...)

Dup

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

RV
km/s

e_
km/s

Teff
K

AG
mag

E(BP-RP)
mag

Rad
solRad

Lum
solLum

1 8.41917 29 55.4413165505+00 41 54.856812636262.48100164164 0.3828+00.69855797976 0.35374374076023749159296 0.1154 0.3464 -0.893 0.781 -3.102 0.6380 3.4091e+02 1.7053e+0019.35680.0054 1.3734e+02 8.7411e+0020.00690.0691 2.7425e+02 7.3274e+0018.66660.0290 1.3403               2 9.86117 29 55.9221819716+00 41 45.299133283262.48300062262 0.9644+00.69588819999 1.01434374076023751616640 0.9530 1.0923 -1.967 2.128 -6.556 2.4880 1.2490e+02 1.5792e+0020.44700.0137                                 %0a%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Source	RA_ICRS deg	DE_ICRS deg	rest pc	b_ pc	B_ pc	rlen pc	ResFlag	ModFlag
1	8.419	17 29 55.4403939931	+00 41 54.808727136	4374076023749159296	262.48100164164	+00.69855797976	3668.646163519279980	2043.730333784679942	6547.580654577360292	1601.24609447506	1	1
2	9.861	17 29 55.9201494279	+00 41 45.197519977	4374076023751616640	262.48300062262	+00.69588819999	2907.990538228239984	1194.366532154300103	5825.562956115570159	1601.25489614124	1	1

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