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 0.187 01 02 44.09016 -06 40 12.1512 0825-00242407 015.683709 -06.670042 19.0 16.9 1954.684

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GSC2.2

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yr

Rmag
mag

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mag

Bjmag
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Class

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pix

e

1 0.358 01 02 44.08536 -06 40 11.8560 S00022133923 015.683689 -06.669960 1995.797 17.13 0.43 19.09 0.34 0 3.75 0.15

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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	0.187	01 02 44.09016	-06 40 12.1512	0825-00242407	015.683709	-06.670042			19.0	16.9	1954.684

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	0.358	01 02 44.08536	-06 40 11.8560	S00022133923	015.683689	-06.669960	1995.797	17.13	0.43	19.09	0.34	0	3.75	0.15

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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.155&%3cFONT%20COLOR=%27#CD5B45%27>01%2002%2044.07936&%3cFONT%20COLOR=%27#CD5B45%27>-06%2040%2012.0432&0833-0015307&015.683664&-06.670012&%2082&141&1978.1&%20%20%20%20%200&%20%20%20%20%200&5&19.28&18.72&18.18&17.03&17.12%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	0.158	01 02 44.079336	-06 40 12.03996	0833-0015386	YM	015.6836639	-06.6700111	B	0.0	0.0	0.0	0.0	18.350	Y			17.030	B	15.935	15.346	15.055

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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 0.36501 02 44.08536-06 40 11.8488S04N003923015.683689-06.6699581995.79717.1319.09 16.603 3.75 0.15 2 9.24201 02 43.94736-06 40 03.1620S04N007558015.683114-06.6675451996.593 18.610 1.64 0.21 %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	0.198	01 02 44.07960	-06 40 12.0000	015.683665	-06.670000	0.1	-4.9	15.935	15.056	19.28	18.18	18.72		17.12	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	[**ClosingBrace(s)Inserted**]
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mag&%">\BegDIVclass='sort-down ' </A>dece_
magHmag
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2Mkey

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Fld

dT
yr

1 0.15401 02 44.07789-06 40 12.0432XPM 166-0008507015.683658-06.670012 -5.99 1.95 -6.55 2.0617.13019.093 16.60015.935 0.07615.346 0.11015.056 0.138 11562972019.016.9 64744.12107900M %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%0a%25%25%25%20Introduction%20to%20UCAC4%20VizieR%20page%0a%3cEM%3e%25Note:%20%0a%20%20see%20the%20UCAC4%20document,%20and%20the%0a%20%20the%20fix%20for%20high%20proper%20motion%20stars.%0a%20%20The%20UCAC%20home%20page%20is%20available%20at%0a%20%20http://www.usno.navy.mil/USNO/astrometry/optical-IR-prod/ucac.%0a%20%20%3cBR%3ePlease%20%3cB%3eacknowledge%20the%20usage%0a%20%20of%20the%20UCAC4%0a%0a%25%3cP%3e%0a

Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	UCAC4	RAJ2000 deg	DEJ2000 deg	ePos mas	f.mag mag	of	db	pmRA mas/yr	pmDE mas/yr	Jmag mag	Kmag mag	Bmag mag	Vmag mag	rmag mag	imag mag	H	A	b	h	Z	B	L	N	S
1	4.217	01 02 43.798248	-06 40 11.55828	417-001243	015.6824927	-06.6698773	200	13.842	0	25	-74.8	4.3							0	0	0	0	0	0	0	8	0

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Full	_r arcsec	_RAJ2000 "h:m:s"	_DEJ2000 "d:m:s"	RAJ2000 deg	DEJ2000 deg	e_RAJ2000 (...)	e_DEJ2000 [**ClosingBrace(s)Inserted**]
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1 4.21701 02 43.79826-06 40 11.5578015.682493-06.669877 0.139 0.12319.093 0.30017.130 0.30017.846 0.08116.559 0.1111983.89001983.8900 -74.8 8.0 4.3 7.5 %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	0.127	01 02 44.086533	-06 40 12.18674	015.6836939	55.00	-06.6700519	80.00	32935+0003923	0	-2.3	2.2	-0.3	3.2	8	41.907	17.130	19.093	16.600		15.935	15.346	15.056

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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