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 4.641 22 48 28.82736 -11 09 16.0416 0750-21316936 342.120114 -11.154456 15.2 13.7 1953.710

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eGuide%20Star%20Catalog%20has%20been%20constructed%20to%20support%20the%20%0aoperational%20need%20of%20the%20Hubble%20Space%20Telescope.%0aIt%20contains%20over%2025%20million%20positions%20for%20about%2019%20million%0aobjects,%20of%20which%20more%20than%2015%20million%20are%20classified%20as%20stars.%0aThe%20version%20%3cB%3e1.2%20is%20a%20new%20astrometric%20reduction%20which%20results%20in%0aabsolute%20position%20errors%20about%200.3-0.4%20arcsec.%0a%28see%20GSC%20pages%20at%20URL%20http://www-gsss.stsci.edu/gsc/gsc.html%29%0a%3cP%3e%0a
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PosErr
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Pmag
mag

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Class

Plate

Epoch
yr

1 4.95 22 48 28.8048 -11 09 16.200 0581501232 342.12002 -11.15450 1.2 14.03 0.40 0 3 044G 1983.531

%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20The%20%3cB%3eGSC-ACT%20%3cEM%3e%28or%20%3cB%3eGSC1.3%29%0ais%20a%20recalibration%20of%20the%20%3cB%3e<%25E%20I/220%7cGSC1.1>,%20the%20catalogue%20constructed%20%0ato%20support%20the%20operational%20need%20of%20the%20Hubble%20Space%20Telescope,%0awith%20the%20%3cB%3e<%25E%20I/246%7cACT>,%20the%20combination%20of%20the%20Astrographic%20Catalogue%0aand%20the%20%3cB%3e%3cEM%3eTycho%20catalogue%20derived%20from%20the%20%3cEM%3e<%25E%20I/239%7cHipparcos>%0amission;%20see%20http://www.projectpluto.com/gsc_act.htm%20for%20more%20details%0aabout%20this%20recalibration.%0a%3cP%3e%0a
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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	4.641	22 48 28.82736	-11 09 16.0416	0750-21316936	342.120114	-11.154456			15.2	13.7	1953.710

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC	RAJ2000 deg	DEJ2000 deg	PosErr arcsec	Pmag mag	e_ mag	n_	Class	Plate	Epoch yr
1	4.95	22 48 28.8048	-11 09 16.200	0581501232	342.12002	-11.15450	1.2	14.03	0.40	0	3	044G	1983.531

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%205.10&%3cFONT%20COLOR=%27#CD5B45%27>22%2048%2028.7952&%3cFONT%20COLOR=%27#CD5B45%27>-11%2009%2016.092&0581501232&342.11998&-11.15447&%201.2&14.05&%200.40&%200&3&1983.531%3cBR%3e%0a %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

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	4.786	22 48 28.81584	-11 09 16.2072	S32322208	342.120066	-11.154502	1991.540	12.76	0.43	12.64	0.30	3	14.37	0.55

%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	1.718	22 48 29.12616	-11 09 18.4716	0788-0651869	342.121359	-11.155131	363	39	1976.7	0	0	2	17.48				15.96
2	3.885	22 48 28.87488	-11 09 16.8120	0788-0651868	342.120312	-11.154670	507	403	1972.6	0	0	4	16.59	12.71	12.38		15.10
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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%203.885&%3cFONT%20COLOR=%27#CD5B45%27>22%2048%2028.87488&%3cFONT%20COLOR=%27#CD5B45%27>-11%2009%2016.8120&0788-0651868&342.120312&-11.154670&507&403&1972.6&%20%20%20%20%200&%20%20%20%20%200&4&16.59&12.71&12.38&%20&15.10%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ663fac603a184c&-out.add=.&-source=I/284/out&USNO-B1.0===0788-0651866&-out.orig=o' class='full'3 4.87522 48 28.81344-11 09 15.85080788-0651866342.120056-11.154403 3 801981.6 6 4315.43 12.2012.72 4 6.78822 48 29.14416-11 09 23.55120788-0651870342.121434-11.1565427343951976.2 36 -58318.79 17.2018.24 5 9.44422 48 28.52688-11 09 13.92120788-0651864342.118862-11.1538675399991968.6 0 0218.32 17.37 6 9.61422 48 29.74680-11 09 20.28240788-0651873342.123945-11.1556349991361976.2 82 -223 18.5818.4218.27 %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	1.717	22 48 29.125992	-11 09 18.47016	0788-0720629	..	342.1213583	-11.1551306	B	0.0	0.0	0.0	0.0	17.480	o
2	3.888	22 48 28.874664	-11 09 16.80984	0788-0720628	..	342.1203111	-11.1546694	B	0.0	0.0	0.0	0.0	12.380	B			12.710	e
3	4.877	22 48 28.813344	-11 09 15.85008	0788-0720626	YM	342.1200556	-11.1544028	B	6.0	0.0	4.0	2.0	17.790	o			12.200	B	15.243	14.419	13.996
4	6.787	22 48 29.143992	-11 09 23.55012	0788-0720630	..	342.1214333	-11.1565417	B	36.0	25.0	-58.0	13.0	17.200	B			18.240	B
5	9.447	22 48 28.526664	-11 09 13.92012	0788-0720624	..	342.1188611	-11.1538667	B	0.0	0.0	0.0	0.0	17.370	B
6	9.611	22 48 29.746656	-11 09 20.27988	0788-0720633	..	342.1239444	-11.1556333	B	82.0	80.0	-22.0	4.0	18.420	B			18.270	B

%0a%22>ts_init('!ext/nomad1.exe_6');

Note: Zone -30/+50deg

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CMC14

f_

RAICRS
deg

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deg

r'mag
mag

Nt

Jmag
mag

Hmag
mag

Ksmag
mag

1 4.856 22 48 28.81128 -11 09 16.1820 224828.8-110916 342.120047 -11.154495 16.539 2

%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
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1 4.783 22 48 28.81608 -11 09 16.2000 SBS8000008 342.120067 -11.154500 1991.540 12.76 12.64 13.51 3 14.37 0.55

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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