VizieR

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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 1.20503 55 40.79472+19 14 26.59201050-01073976058.919978+19.240720    13.512.81950.936
%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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Pmag
mag
e_
mag
n_
Class
Plate
Epoch
yr
1 0.6003 55 40.7928+19 14 25.9440125700749058.91997+19.24054 0.212.50 0.40 1000FH1982.875
2 1.1803 55 40.7976+19 14 26.5560125700749058.91999+19.24071 0.312.17 0.40 10000O1982.875
%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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">\FONT SIZE=-1"h:m:s" &%25%0a%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_DEJ2000
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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.69&%3cFONT%20COLOR=%27#CD5B45%27>03%2055%2040.8024&%3cFONT%20COLOR=%27#CD5B45%27>%2b19%2014%2025.944&0125700749&058.92001&%2b19.24054&%200.2&12.52&%200.40&%201&0&1982.875%3cBR%3e%0a%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%201.28&%3cFONT%20COLOR=%27#CD5B45%27>03%2055%2040.8384&%3cFONT%20COLOR=%27#CD5B45%27>%2b19%2014%2026.268&0125700749&058.92016&%2b19.24063&%200.3&12.18&%200.40&%201&0&1982.875%3cBR%3e%0a %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%3cB%3e%3cFONT%20COLOR=%27#CD5B45%27>%20The%20current%20version%20includes%20only%20the%20North%20%28POSS-I%20plates%29%3cP%3e%0a
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APM-ID
RAJ2000
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rClass
rStel
rDiam
arcsec
rEll
bmag
mag
l_
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bStel
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mag
Mflag
1 0.88303 55 40.78008+19 14 26.3112EO0444-0083064058.919917+19.24064212.88  -1 0.55 18.1 0.0314.10  -1 -1.72 19.4 1.22  
2 1.40203 55 40.79808+19 14 26.7828EO0223-0192174058.919992+19.24077311.67  -1 0.16 18.0 0.1012.88  -1 -2.37 15.9 1.22  
%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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RA(ICRS)
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mag
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mag
Bjmag
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Class

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Class

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pix
e
1 0.82103 55 40.79880+19 14 26.1492N3311020374058.919995+19.2405971991.78212.29 0.4313.56 0.410 5.76 0.05 %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
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USNO-B1.0
RAJ2000
deg
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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 0.78703 55 40.80288+19 14 26.07001092-0043188058.920012+19.240575134 641975.4 2 -6514.0113.0613.5112.4712.06
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20More%20recent%20versions%20available:%20UCAC3%20%28I/315%29%20and%20UCAC4%20%28I/322%29;%20see%20also%20the%20UCAC%20home%20page%20at%20http://ad.usno.navy.mil/ucac/%3cP%3e%0a
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mas
DEJ2000
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e_
mas
UCmag
mag
No
Nc
pmRA
mas/yr
pmDE
mas/yr
2Mkey
Jmag
mag
Kmag
mag
1 0.69303 55 40.801344+19 14 25.9670438560260058.9200056 15+19.2405464 1712.38 6 2 3.4 -12.9 10982382011.08610.594

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%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%200.693&%3cFONT%20COLOR=%27#CD5B45%27>03%2055%2040.801344&%3cFONT%20COLOR=%27#CD5B45%27>%2b19%2014%2025.96704&38560260&058.9200056&%2015&%2b19.2405464&%2017&12.38&%206&%202&%20%20%20%20%203.4&%20%20%20-12.9&%20109823820&11.086&10.594%3cBR%3e">\EndTABLESORT
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XZ
Var
Vmag
mag
RAICRS
"h:m:s"
pmRA
cs/yr
DEICRS
"d:m:s"
pmDE
10mas/yr
Epoch
yr
SpType
HIP
_RA.icrs
"h:m:s"
_DE.icrs
"d:m:s"
1 0.69403 55 40.801400+19 14 25.96700191581  12.3803 55 40.8014 0.0240+19 14 25.967 -1.2902000.63  U2 3856026003 55 40.8014+19 14 25.967
%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