VizieR

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The 5 columns in color are computed by VizieR, and are not part of the original data.

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	Name	RAB1950 "h:m:s"	DEB1950 "d:m:s"	bmag mag	Nfields	Flag1	Flag2	Flag3	_RA.icrs "h:m:s"	_DE.icrs "d:m:s"
1	4.471	22 49 51.79885	+12 27 33.2122	+12.0569	22 47 22.502	+12 11 39.21	18.47	1	0	0	0	22 49 51.799	+12 27 33.21

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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.

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USNO-A2.0

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deg

DEJ2000
deg

ACTflag

Mflag

Bmag
mag

Rmag
mag

Epoch
yr

1 4.252 22 49 51.81216 +12 27 33.0804 0975-21085630 342.465884 +12.459189 15.1 13.3 1953.630

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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	4.356	22 49 51.80496	+12 27 33.0804	N003331011713	342.465854	+12.459189	1990.636	13.30	0.42	15.08	0.41	3	7.35	0.14
2	4.513	22 49 51.80472	+12 27 33.6708	N00333101390	342.465853	+12.459353	1991.702	13.66	0.42	14.65	0.10	3	7.06	0.13

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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	4.358	22 49 51.82008	+12 27 33.8328	1024-0759336	342.465917	+12.459398	42	120	1976.0	2	16	5	14.91	12.41	13.94	12.30	13.10
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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	4.358	22 49 51.820008	+12 27 33.82992	1024-0793879	YM	342.4659167	+12.4593972	B	2.0	1.0	16.0	3.0	17.950	Y	16.600	Y	12.300	B	15.500	14.791	14.407
2	4.887	22 49 51.844656	+12 27 29.00988	1024-0793880	..	342.4660194	+12.4580583	B	-366.0	120.0	-196.0	114.1	14.070	B			19.540	B
3	5.525	22 49 52.326672	+12 27 27.83988	1024-0793883	..	342.4680278	+12.4577333	B	102.0	33.0	-6.0	11.0	20.850	B			20.060	B
4	8.326	22 49 51.900000	+12 27 40.02984	1024-0793881	..	342.4662500	+12.4611194	B	0.0	0.0	0.0	0.0	20.050	B			19.640	B
5	8.722	22 49 51.524664	+12 27 29.77992	1024-0793875	..	342.4646861	+12.4582722	B	0.0	0.0	0.0	0.0					18.580	e
6	9.268	22 49 51.817992	+12 27 40.53996	1024-0793878	..	342.4659083	+12.4612611	B	0.0	0.0	0.0	0.0	20.600	B
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6	9.268	22 49 51.817992	+12 27 40.53996	1024-0793878	..	342.4659083	+12.4612611	B	0.0	0.0	0.0	0.0	20.600	B

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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	4.353	22 49 51.80520	+12 27 33.0840	N0S4001390	342.465855	+12.459190	1990.636	13.30	15.08	16.08	13.45	3	7.35	0.14

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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
1	4.076	22 49 51.82584	+12 27 33.1704	342.465941	+12.459214	4.1	-1.7	15.501	14.408	14.91	13.94	12.41	12.30	13.10	6	0
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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	4.124	22 49 51.82074	+12 27 33.0519	342.465920	+12.459181	0.008	0.010	15.080	0.300	13.303	0.300	15.824	0.080	14.628	0.110	2008.8300	2008.8300	4.1	4.1	-1.7	4.1
2	7.973	22 49 51.60416	+12 27 35.6208	342.465017	+12.459895	0.397	0.750	18.802	0.207	18.412	0.210	18.793	0.315	18.998	0.324	2008.8300	2008.8300	0.0	0.0	0.0
3	8.944	22 49 51.90479	+12 27 40.7092	342.466270	+12.461308	0.133	0.133	20.050	0.400	19.640	0.400	19.735	0.400	19.340	0.500	1979.0000	1979.0000	9.0	7.4	14.6	7.4

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Target Name (resolved by Sesame) or Position:	Target dimension:
NB: The epoch used for the query is the original epoch of the table(s)	Radius Box size