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 0.438 09 12 28.31880 -50 28 57.3600 0375-07454813 138.117995 -50.482600 18.9 16.5 1981.649

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20construction%20of%20the%20%0a%3cB%3eGSC-II%20%0ais%20still%20in%20progress:%20this%0aversion%20has%20no%20proper%20motions,%20and%20the%20magnitude%20limits%20are%2018.5%20in%20F%20%28red%29%0aand%2019.5%20in%20J%20%28blue%29.%20The%20data%20are%20%3cB%3e%3cFONT%20COLOR=%27#0000CD%27>copyrighted,%20check%20%0athe%20%3cB%3edata%20use%20Policy.%0a%3cP%3e%0a
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GSC2.2

RA(ICRS)
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DE(ICRS)
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Epoch
yr

Rmag
mag

e_
mag

Bjmag
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Class

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e

1 0.505 09 12 28.24752 -50 28 56.9064 S13310123086 138.117698 -50.482474 1996.943 16.39 0.46 3 2.00 0.14

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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	0.438	09 12 28.31880	-50 28 57.3600	0375-07454813	138.117995	-50.482600			18.9	16.5	1981.649

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	0.505	09 12 28.24752	-50 28 56.9064	S13310123086	138.117698	-50.482474	1996.943	16.39	0.46			3	2.00	0.14

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.259&%3cFONT%20COLOR=%27#CD5B45%27>09%2012%2028.32216&%3cFONT%20COLOR=%27#CD5B45%27>-50%2028%2057.1116&0395-0141046&138.118009&-50.482531&268&%2043&1983.4&%20%20%20%20-2&%20%20%20%2012&4&%20&15.91&18.55&17.23&15.21%3cBR%3e%0a %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%2f239%29,%20Tycho-2%20%28I%2f259%29,%20UCAC2%20%28I%2f289%29,%20and%20USNO-B1.0%0a%28I%2f284%29%20catalogs%20for%20astrometry%20and%20optical%20photometry,%20supplemented%0aby%202MASS%20%28II%2f246%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%2fLinux%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	0.257	09 12 28.321992	-50 28 57.11016	0395-0145509	.M	138.1180083	-50.4825306	B	-2.0	15.0	12.0	2.0	18.550	B			17.230	B	12.936	12.163	11.621

%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	[**ClosingBrace(s)Inserted**]
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mag&%">\BegDIVclass='sort-down ' </A>decNmag
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1 0.13609 12 28.29096-50 28 57.0648S66E003086138.117879-50.4825181994.25217.0019.1017.4815.443 2.80 0.18 %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	0.092	09 12 28.30608	-50 28 57.0324	138.117942	-50.482509	-11.0	13.5	12.937	11.621		18.55	15.91	17.23	15.21	5	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	e_ [**ClosingBrace(s)Inserted**]
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%22>%5cFONT SIZE=-1mag Hmag
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e_
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Kmag
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2Mkey

Bmag
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Rmag
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Fld

dT
yr

1 0.12109 12 28.30994-50 28 57.0359XPM 079-0253912138.117958-50.482510 -5.83 8.62 -5.58 10.1117.00219.09717.47615.43712.937 0.02912.164 0.02311.621 0.026 84101754518.916.5 21118.45107600M %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	0.092	09 12 28.30605	-50 28 57.0320	138.117942	-50.482509	0.066	0.066	19.097	0.300	17.002	0.300	17.168	0.400	15.648	0.500	1994.6600	1994.6600	-11.0	7.7	13.5	7.7

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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	pmRA mas/yr	pmDE mas/yr	RADEcor [**ClosingBrace(s)Inserted**]
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corr%29%27%29%22%20onMouseOut=%22laz%28%29%22>RADEcor

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%22>Dup

<FG>
e-/s

e_
e-/s

<Gmag>
mag

Var

1 0.03409 12 28.302847823-50 28 56.98101018138.1179285326 1.625-50.4824947251 1.3465325590981243626880 -0.9710 3.9945e+03 8.7924e+0016.521NOT_AVAILABLE %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	0.167	09 12 28.311437040	-50 28 57.08794080	138.1179643210	-50.4825244280	6170322739697121272		-5.466	7.129	12.937	12.164	11.621		18.55	15.91	17.23	15.21	5325590981243626880	16.521

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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