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	0.682	13 43 09.48744	+46 51 46.8324	1350-08319184	205.789531	+46.863009			17.3	17.6	1956.267

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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	0.789	13 43 09.47088	+46 51 47.0700	EO1593-0130939	205.789462	+46.863075	18.26		1	5.60	10.4	0.31	19.12		1	8.52	11.7	0.86
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Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

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	0.543	13 43 09.48144	+46 51 46.6956	N130312011447	205.789506	+46.862971	1994.422	17.05	0.40	17.20	0.28	3	5.39	0.37

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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	0.825	13 43 09.36600	+46 51 46.0512	1368-0256631	205.789025	+46.862792	337	413	1975.7	0	0	4	19.22	18.65		19.44	17.54
2	1.039	13 43 09.49680	+46 51 47.2104	1368-0256632	205.789570	+46.863114	267	251	1979.2	0	0	5	17.98	18.71	16.48	16.67	18.36
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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	0.825	13 43 09.366000	+46 51 46.05012	1368-0260558	Y.	205.7890250	+46.8627917	B	0.0	0.0	0.0	0.0	18.350	o			19.440	B
2	1.038	13 43 09.496656	+46 51 47.21004	1368-0260559	Y.	205.7895694	+46.8631139	B	0.0	0.0	0.0	0.0	18.350	Y	17.400	Y	16.670	B
3	2.133	13 43 09.499344	+46 51 48.39012	1368-0260560	..	205.7895806	+46.8634417	B	16.0	3.0	38.0	35.0					17.080	B

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3 [****ClosingBrace(s)Inserted****]
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GSC2.3

%22>RAJ2000
degDEJ2000
degEpoch
yrFmag
magjmag
magVmag
magNmag
magClass

a
pixe

1 0.54613 43 09.48144+46 51 46.6992N5P4011447205.789506+46.8629721994.42217.0517.2018.1117.733 5.39 0.37 2 5.25613 43 08.92992+46 51 46.6956N5P4013234205.787208+46.8629711996.162      16.963 5.29 0.59 %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	0.551	13 43 09.46560	+46 51 46.8324	205.789440	+46.863009	-12.0	-13.3			17.98	16.48	18.71	16.67	18.36	5	0
2	1.293	13 43 09.31560	+46 51 46.2348	205.788815	+46.862843	-18.6	9.6			19.22		18.65	19.44	17.54	4	0
3	2.212	13 43 09.48720	+46 51 48.5028	205.789530	+46.863473	6.1	44.4					17.91	17.08	17.61	3	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 [****ClosingBrace(s)Inserted****]
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magRF

%20

%22>%5cFONT SIZE=-1mage_
mag

magG
mag

e_
mag

magGrvs
mag

e_
mag

alphaEpoch
yr

deltaEpoch
yr

pmRA
mas/yr

e_
(...)

pmDE
mas/yr

e_
(...)

1 1.29313 43 09.31561+46 51 46.2354205.788815+46.862843 0.115 0.11519.220 0.40019.440 0.40019.358 0.40019.448 0.5001975.78001975.7800 -18.6 5.9 9.6 5.9 2 1.38713 43 09.51056+46 51 47.5331205.789627+46.863204 0.029 0.07017.202 0.30017.051 0.30017.960 0.08217.318 0.1122003.19002003.1900 -12.0 5.5 -13.3 5.5 %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	0.832	13 43 09.485550	+46 51 47.03895	205.7895231	78.00	+46.8630664	52.00	56536+0011447	4	1.5	3.2	2.2	2.1	7	38.164	17.051	17.202	17.727	18.106

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