VizieR

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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.

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USNO-A2.0

RAJ2000
deg

DEJ2000
deg

ACTflag

Mflag

Bmag
mag

Rmag
mag

Epoch
yr

1 3.372 19 36 59.56680 +00 17 39.0408 0900-15869087 294.248195 +00.294178 19.6 17.3 1950.523

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GSC2.2

RA(ICRS)
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DE(ICRS)
deg

Epoch
yr

Rmag
mag

e_
mag

Bjmag
mag

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Class

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pix

e

1 2.994 19 36 59.60016 +00 17 39.1596 N021200122088 294.248334 +00.294211 1991.456 17.44 0.26 3 2.79 0.12

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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	3.372	19 36 59.56680	+00 17 39.0408	0900-15869087	294.248195	+00.294178			19.6	17.3	1950.523

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	2.994	19 36 59.60016	+00 17 39.1596	N021200122088	294.248334	+00.294211	1991.456	17.44	0.26			3	2.79	0.12

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%202.510&%3cFONT%20COLOR=%27#CD5B45%27>19%2036%2059.60472&%3cFONT%20COLOR=%27#CD5B45%27>%2b00%2017%2039.6924&0902-0492545&294.248353&%2b00.294359&176&205&1975.1&%20%20%20%2016&%20%20%20%2014&5&19.98&17.36&19.38&17.03&16.65%3cBR%3e%0a %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	_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	2.513	19 36 59.604672	+00 17 39.68988	0902-0548796	.M	294.2483528	+00.2943583	B	16.0	5.0	14.0	6.0	19.380	B			17.030	B	15.210	14.316	14.320

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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	[**ClosingBrace(s)Inserted**]
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mag&%">\BegDIVclass='sort-down ' </A>decNmag
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1 3.11219 36 59.58768+00 17 39.1380N1VL022088294.248282+00.2942051985.68517.4319.9818.5816.633 2.85 0.10 2 9.56119 36 59.90952+00 17 50.7732N1VL066512294.249623+00.2974371985.68520.0421.48 3 1.41 0.06 %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	3.018	19 36 59.59824	+00 17 39.1488	294.248326	+00.294208	13.3	4.0	15.210	14.321	19.98	19.38	17.36	17.03	16.65	6	0

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	ID	RAICRS deg	DEICRS deg	pmRAp mas/yr	pmDEp mas/yr	pmRAx mas/yr	pmDEx mas/yr	Fmag mag	Bjmag mag	Vmag mag	Nmag mag	Jmag mag	[**ClosingBrace(s)Inserted**]
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mag&%">\BegDIVclass='sort-down ' </A>dece_
magHmag
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e_
mag

Kmag
mag

e_
mag

2Mkey

Bmag
mag

Rmag
mag

Fld

dT
yr

1 3.09219 36 59.59705+00 17 39.0730XPM 180-0748638294.248321+00.294187 11.58 -1.02 11.53 -1.2317.43219.97918.58316.63315.210 0.05914.316 0.05214.321 0.074 53855910919.617.3 63449.06876800M %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	3.018	19 36 59.59826	+00 17 39.1490	294.248326	+00.294208	0.066	0.066	19.979	0.300	17.432	0.300	17.437	0.400	15.690	0.500	1989.4700	1989.4700	13.3	3.7	4.0	3.7
2	9.696	19 36 59.95680	+00 17 50.6443	294.249820	+00.297401	0.400	0.400	21.482	0.300	20.042	0.300	20.284	0.400	19.158	0.500	1985.6800	1985.6800	49.8	7.8	-8.7	94.3

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	URAT1	RAICRS deg	DEICRS deg	Epoch yr	f.mag mag	e_ mag	pmRA [**ClosingBrace(s)Inserted**]
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pmRA

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%22>%5cFONT SIZE=-1mas/yr pmDE
mas/yr

Jmag
mag

Hmag
mag

Kmag
mag

Bmag
mag

Vmag
mag

gmag
mag

rmag
mag

imag
mag

1 3.03619 36 59.598049+00 17 39.03999452-430127294.2483670+00.29417892013.53917.417 0.032 11.1 0.315.21014.31614.321 %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	1.272	19 36 59.617613163	+00 17 41.67942413	294.2484067215	7.348	+00.2949109511	5.886	4239447082693605120				0.974	0	1.1274e+02	1.4157e+00	20.395	NOT_AVAILABLE
2	3.083	19 36 59.606522275	+00 17 39.00408771	294.2483605095	0.563	+00.2941678021	0.492	4239447078399567360				0.869	0	1.3552e+03	2.2958e+00	17.695	NOT_AVAILABLE
3	9.592	19 36 59.908948434	+00 17 50.80912015	294.2496206185	1.888	+00.2974469778	1.845	4239447078401728512				0.834	0	1.3880e+02	1.4564e+00	20.169	NOT_AVAILABLE
4	9.728	19 37 00.348035630	+00 17 42.64851680	294.2514501485	27.522	+00.2951801436	21.333	4239447082695239040				0.986	0	5.4005e+01	2.2938e+00	21.194	NOT_AVAILABLE

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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