VizieR

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VizieR

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The 5 columns in color are computed by VizieR, and are not part of the original data.
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 _RAJ2000
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Name
RAB1950
"h:m:s"
DEB1950
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bmag
mag
Nfields
Flag1
Flag2
Flag3
_RA.icrs
"h:m:s"
_DE.icrs
"d:m:s"
1 3.14100 05 16.01680-16 29 35.4906-16.000500 02 42.600-16 46 17.7215.99100000 05 16.017-16 29 35.49
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%25
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 3.01900 05 16.01472-16 29 35.33280675-00035760001.316728-16.493148    12.911.91951.687
%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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&%25%0a%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_RAJ2000
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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%203.35&%3cFONT%20COLOR=%27#CD5B45%27>00%2005%2016.0176&%3cFONT%20COLOR=%27#CD5B45%27>-16%2029%2035.736&0583800484&001.31674&-16.49326&%200.4&12.80&%200.37&%200&3&024M&1983.539%3cBR%3e%0a %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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GSC
RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_
Class
Epoch
yr
1 3.4200 05 16.0080-16 29 35.7360583800484001.31670-16.49326 0.412.82 0.38 031983.539
%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 2.86100 05 16.02408-16 29 35.2284S000131091001.316767-16.4931191995.65812.61 0.3812.96 0.250 7.90 0.24
%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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">\FONT SIZE=-1"h:m:s" &%25%0a%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_DEJ2000
%0a%22d:m:s%22
%20
&%25%0aUSNO-B1.0

%0a
%20
&%25%0aRAJ2000
%0adeg
%20
&%25%0aDEJ2000
%0adeg
%20
&%25%0ae_RAJ2000
%0amas
%20
&%25%0ae_DEJ2000
%0amas
%20
&%25%0aEpoch
%0ayr
%20
&%25%0apmRA
%0amas/yr
%20
&%25%0apmDE
%0amas/yr
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&%25%0aNdet

%0a
%20
&%25%0aB1mag
%0amag
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&%25%0aR1mag
%0amag
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&%25%0aB2mag
%0amag
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&%25%0aR2mag
%0amag
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&%25%0aImag
%0amag
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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%203.124&%3cFONT%20COLOR=%27#CD5B45%27>00%2005%2016.02072&%3cFONT%20COLOR=%27#CD5B45%27>-16%2029%2035.5020&0735-0000903&001.316753&-16.493195&106&111&1976.4&%20%20%20%20%200&%20%20%20%20%200&5&13.32&12.72&12.73&12.50&12.83%3cBR%3e%0a%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>29.980&%3cFONT%20COLOR=%27#CD5B45%27>00%2005%2014.03880&%3cFONT%20COLOR=%27#CD5B45%27>-16%2029%2032.8200&0735-0000887&001.308495&-16.492450&%2091&250&1989.5&%20%20%20%20%200&%20%20%20%20%200&2&%20&%20&21.34&20.30&%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%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
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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 3.12200 05 16.020672-16 29 35.499840735-0000908YM001.3167528-16.4931944B 0.0 0.0 0.0 0.014.810Y14.420Y12.500B14.57714.03213.714  
229.98200 05 14.038656-16 29 32.820000735-0000892..001.3084944-16.4924500B 0.0 0.0 0.0 0.021.340B    20.300B        
%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