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
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DEJ2000
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ACTflag

Mflag

Bmag
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Rmag
mag

Epoch
yr

1 2.972 23 00 50.63088 -02 33 47.7432 0825-19835162 345.210962 -02.563262 18.8 18.2 1953.680

%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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yr

Rmag
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Bjmag
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e

1 2.666 23 00 50.66112 -02 33 47.9160 S32013122260 345.211088 -02.563310 1991.679 17.89 0.38 19.34 0.37 3 3.28 0.16

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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	2.972	23 00 50.63088	-02 33 47.7432	0825-19835162	345.210962	-02.563262			18.8	18.2	1953.680

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	2.666	23 00 50.66112	-02 33 47.9160	S32013122260	345.211088	-02.563310	1991.679	17.89	0.38	19.34	0.37	3	3.28	0.16

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%202.497&%3cFONT%20COLOR=%27#CD5B45%27>23%2000%2050.66136&%3cFONT%20COLOR=%27#CD5B45%27>-02%2033%2047.5920&0874-0793951&345.211089&-02.563220&296&144&1975.5&%20%20%20%20%200&%20%20%20%20%200&5&19.79&18.86&19.13&18.37&18.33%3cBR%3e%0a%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%203.926&%3cFONT%20COLOR=%27#CD5B45%27>23%2000%2050.63616&%3cFONT%20COLOR=%27#CD5B45%27>-02%2033%2049.3812&0874-0793950&345.210984&-02.563717&794&675&1972.2&%20%20%20%20%200&%20%20%20%20%200&2&%20&19.82&%20&%20&18.11%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	2.496	23 00 50.661336	-02 33 47.58984	0874-0845904	..	345.2110889	-02.5632194	B	0.0	0.0	0.0	0.0	19.130	B			18.370	B
2	3.927	23 00 50.635992	-02 33 49.38012	0874-0845903	..	345.2109833	-02.5637167	B	0.0	0.0	0.0	0.0					19.820	e

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2.3	RAJ2000 deg	DEJ2000 deg	Epoch yr	Fmag [**ClosingBrace(s)Inserted**]
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Fmag

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1 2.66223 00 50.66112-02 33 47.9088SB5I002260345.211088-02.5633081991.67917.8919.34 17.553 3.28 0.16 %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	2.525	23 00 50.67024	-02 33 47.8656	345.211126	-02.563296	13.1	-9.0			19.79	19.13	18.86	18.37	18.33	5	0
2	3.304	23 00 50.65104	-02 33 48.7368	345.211046	-02.563538	21.3	16.0					19.82		18.11	2	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	[**ClosingBrace(s)Inserted**]
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mag&%">\BegDIVclass='sort-down ' </A>dece_
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1 2.64323 00 50.66746-02 33 48.0105345.211114-02.563336 0.019 0.02019.339 0.30017.889 0.30018.470 0.08317.361 0.1122009.70002009.7000 13.1 5.8 -9.0 5.8 2 9.59423 00 51.19972-02 33 38.8301345.213332-02.560786 0.044 0.06422.003 0.21021.294 0.20820.984 0.12120.031 0.1422008.82002008.8200 0.0 0.0 0.0 %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"	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	2.528	23 00 50.685081	-02 33 48.14720	345.2111878	114.00	-02.5633742	74.00	47222+0002260	4	18.6	4.7	-12.1	3.1	9	40.049	17.889	19.339	17.553

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	GSC2	RA_ICRS deg	DE_ICRS deg	objID	Epoch yr	Class	Gmag [**ClosingBrace(s)Inserted**]
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Gmag

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%22>%5cFONT SIZE=-1mag OMag
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a
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PA
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1 2.58023 00 50.6732256000-02 33 48.019752000SB5I042026345.21113844000-02.56333882000 23201312420262011.8453 20.48819.82219.44519.50319.1897 16.627 15.779 15.641 17.18715.58315.28911.760 8.463 22.300 2 2.66023 00 50.6732061936-02 33 47.809154180SB5I002260345.21109008789-02.56330990791 2320131222601991.6803 20.10810019.33950017.890000 17.553400 21.05119.35418.54418.14817.890 16.640 16.188 15.558 17.188 3.275 0.163 39.5 3 6.62923 00 51.0019420800-02 33 40.463912664SB5I035101345.21250809200-02.56123997574 23201312351012012.0003 20.878 4 9.70923 00 51.2023632000-02 33 38.716236000SB5I020235345.21334318000-02.56075451000 23201312202352012.6393 22.84221.84421.30320.98020.779 5 9.81023 00 51.1969699200-02 33 38.528639712SB5I048037345.21332070800-02.56070239992 23201312480372012.0003 19.049 19.025 6 9.88423 00 51.2020747200-02 33 38.493857592SB5I039644345.21334197800-02.56069273822 23201312396442012.0003 19.524 18.857 17.186 19.494 %0a%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"	WISE	RAJ2000 deg	DEJ2000 deg	eeMaj arcsec	eeMin arcsec	Im	W1mag mag	e_ mag	W2mag mag	e_ mag	W3mag mag	e_ mag	W4mag mag	e_ mag	Jmag mag	Hmag mag	Kmag mag	ccf	ex	var	d2M arcsec	2M
1	2.336	23 00 50.68182	-02 33 47.7848	J230050.68-023347.7	345.211174	-02.563274	0.330	0.300	Im	15.709	0.059	15.217	0.117	12.112	0.320	9.147	0.505				0000	0	11nn		2M

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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