VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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The 3 columns in color are computed by VizieR, and are not part of the original data (note that the computed coordinates are computed from the positions and the proper motions given in the table)
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Name
RAJ2000
"h:m:s"
DEJ2000
"d:m:s"
pmRA
10mas/yr
pmDE
10mas/yr
Bmag
mag
B-V
mag
Ep-1900
yr
ips
ipm
ibv
1 1.84613 30 37.63900+25 09 09.3300+25.065313 30 37.639+25 09 09.33 -1.58 -2.29 17.67   60.80000
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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 0.40613 30 37.68336+25 09 10.64161125-06735999202.657014+25.152956    17.416.61950.381
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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.773&%3cFONT%20COLOR=%27#CD5B45%27>13%2030%2037.69272&%3cFONT%20COLOR=%27#CD5B45%27>%2b25%2009%2010.2132&EO0125-0033457&202.657053&%2b25.152837&16.81&%20&%201&%20%20%204.20&%20%2011.8&%200.27&18.52&%20&-1&%20%20%201.43&%20%20%209.2&%20%201.71&%20%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
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GSC2.2
RA(ICRS)
deg
DE(ICRS)
deg
Epoch
yr
Rmag
mag
e_
mag
Bjmag
mag
e_
mag
Class
a
pix
e
1 1.09413 30 37.67064+25 09 09.9612N12220313918202.656961+25.1527671992.39916.81 0.4217.68 0.133 4.34 0.39
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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 0.75413 30 37.66944+25 09 10.35001151-0203561202.656956+25.152875 561031977.3 0 0518.2717.0418.2817.3016.40
2 2.15013 30 37.61208+25 09 09.19081151-0203560202.656717+25.152553 45 891994.7 0 02      17.7716.38

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Note: The Naval Observatory Merged Astrometric Dataset (NOMAD) contains astrometric and photometric data for over 1 billion stars derived from the Hipparcos (I/239), Tycho-2 (I/259), UCAC2 (I/289), and USNO-B1.0 (I/284) catalogs for astrometry and optical photometry, supplemented by 2MASS (II/246) near-infrared photometry.
An efficient remote query program findnomad1 is available in the cdsclient package, for Unix/Linux platforms

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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 0.75413 30 37.669344+25 09 10.350001151-0208345..202.6569556+25.1528750B 0.0 0.0 0.0 0.018.280B    17.300B        
2 2.15113 30 37.612008+25 09 09.190081151-0208344YM202.6567167+25.1525528B 0.0 0.0 0.0 0.018.030Y17.810Y17.770B16.44016.05615.497  
3 4.58213 30 37.530672+25 09 07.016041151-0208343.M202.6563778+25.1519489M 0.0 0.0 0.0 0.0            16.88715.93215.795  
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