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 5.651 05 18 39.87888 -18 45 59.6412 0675-01997090 079.666162 -18.766567 13.2 12.7 1983.399

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GSC

RAJ2000
deg

DEJ2000
deg

PosErr
arcsec

Pmag
mag

e_
mag

n_

Class

Plate

Epoch
yr

1 6.46 05 18 39.8112 -18 46 00.192 0591000881 079.66588 -18.76672 0.3 13.77 0.34 0 3 01CG 1980.857

%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	5.651	05 18 39.87888	-18 45 59.6412	0675-01997090	079.666162	-18.766567			13.2	12.7	1983.399

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	6.46	05 18 39.8112	-18 46 00.192	0591000881	079.66588	-18.76672	0.3	13.77	0.34	0	3	01CG	1980.857

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%206.18&%3cFONT%20COLOR=%27#CD5B45%27>05%2018%2039.8424&%3cFONT%20COLOR=%27#CD5B45%27>-18%2046%2000.048&0591000881&079.66601&-18.76668&%200.3&13.78&%200.34&%200&3&1980.857%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	5.694	05 18 39.82464	-18 45 59.4468	S0231303301	079.665936	-18.766513	1997.016	14.47	0.38	13.71	0.37	3	8.19	0.25

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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	1.583	05 18 39.89208	-18 45 55.2708	0712-0057570	079.666217	-18.765353	809	434	1976.4	0	0	2		17.97		18.08
2	5.928	05 18 39.87144	-18 45 59.9004	0712-0057569	079.666131	-18.766639	109	201	1977.9	0	0	5	15.06	14.48	13.22	13.94	13.62
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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%205.928&%3cFONT%20COLOR=%27#CD5B45%27>05%2018%2039.87144&%3cFONT%20COLOR=%27#CD5B45%27>-18%2045%2059.9004&0712-0057569&079.666131&-18.766639&109&201&1977.9&%20%20%20%20%200&%20%20%20%20%200&5&15.06&14.48&13.22&13.94&13.62%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ66298ef7267d73&-out.add=.&-source=I/284/out&USNO-B1.0===0712-0057574&-out.orig=o' class='full'3 8.43805 18 40.49472-18 45 58.10040712-0057574079.668728-18.7661399999991972.4 0 0419.2618.4918.9818.27 4 9.52305 18 40.63800-18 45 54.97200712-0057577079.669325-18.7652709999991977.9 270 483 17.1618.7518.22 %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	1.583	05 18 39.892008	-18 45 55.27008	0712-0057954	..	079.6662167	-18.7653528	B	0.0	0.0	0.0	0.0					18.080	B
2	5.928	05 18 39.871344	-18 45 59.90004	0712-0057953	YM	079.6661306	-18.7666389	B	0.0	0.0	0.0	0.0	17.280	Y			13.940	B	16.051	15.335	14.852
3	8.437	05 18 40.494672	-18 45 58.10004	0712-0057958	..	079.6687278	-18.7661389	B	0.0	0.0	0.0	0.0	18.980	B			18.270	B
4	9.522	05 18 40.638000	-18 45 54.96984	0712-0057961	..	079.6693250	-18.7652694	B	270.0	42.0	48.0	94.0	18.750	B			18.220	B

%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"	[**ClosingBrace(s)Inserted**]
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%22h:m:s%22&%">\BegDIVclass='sort-down ' </A>string _DEJ2000
"d:m:s"GSC2.3

RAJ2000
deg

DEJ2000
deg

Epoch
yr

Fmag
mag

jmag
mag

Vmag
mag

Nmag
mag

Class

a
pix

1 5.69005 18 39.82488-18 45 59.4432S29F000301079.665937-18.7665121997.01614.4713.71 14.263 8.19 0.25 %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	1.320	05 18 39.89856	-18 45 54.9828	079.666244	-18.765273	19.1	-8.4					17.97	18.08		2	0
2	3.629	05 18 40.22496	-18 45 54.3924	079.667604	-18.765109	-82.8	69.5			19.26	18.98	18.49	18.27		4	1
3	6.295	05 18 39.83712	-18 46 00.1452	079.665988	-18.766707	-8.5	-11.4	16.052	14.852	15.06	13.22	14.48	13.94	13.62	6	1
4	9.128	05 18 40.61232	-18 45 53.7840	079.669218	-18.764940	266.2	57.4				18.75	17.16	18.22		3	1

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 (...)	e_DEJ2000 arcsec	[**ClosingBrace(s)Inserted**]
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arcsec&%">\BegDIVclass='sort-down ' </A>decmagBJ
mage_
mag

magRF
mag

e_
mag

magG
mag

e_
mag

e_
mag

e_
(...)

e_
(...)

1 3.62905 18 40.22495-18 45 54.3922079.667604-18.765109 0.133 0.13318.980 0.40018.270 0.40018.433 0.40017.814 0.5001972.42001972.4200 -82.8 6.8 69.5 6.8 2 6.29405 18 39.83717-18 46 00.1450079.665988-18.766707 0.071 0.07113.714 0.30014.469 0.30014.227 0.40014.733 0.5001990.03001990.0300 -8.5 4.1 -11.4 4.1 3 9.12905 18 40.61234-18 45 53.7841079.669218-18.764940 0.133 0.16318.750 0.40018.220 0.40018.345 0.40017.858 0.5001977.94001977.9400 266.2 7.8 57.4 7.9 %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	5.942	05 18 39.827986	-18 45 59.72915	079.6659499	50.00	-18.7665914	183.00	35699+0000301	4	-1.1	2.1	1.9	7.6	4	44.054	14.469	13.714	14.256		16.052	15.335	14.852

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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