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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ACTflag
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1 2.68513 41 11.11344+30 22 41.55241200-07137846205.296306+30.378209    11.710.11950.427
2 8.34213 41 10.41072+30 22 47.52121200-07137811205.293378+30.379867    17.616.41950.427
%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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1 3.3013 41 11.1600+30 22 41.2680253700537205.29650+30.37813 0.212.80 0.40 13009L1982.384
%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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%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%203.13&%3cFONT%20COLOR=%27#CD5B45%27>13%2041%2011.1624&%3cFONT%20COLOR=%27#CD5B45%27>%2b30%2022%2041.556&0253700537&205.29651&%2b30.37821&%200.2&12.80&%200.40&%201&3&1982.384%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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1 3.41613 41 11.18952+30 22 41.5308EO0131-0060608205.296623+30.378203 8.97   1 8.63 44.9 0.4110.87   1 15.95 42.4 1.90  
%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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%22> 1 3.55813 41 11.17464+30 22 41.0952N1301030318205.296561+30.3780821996.520 9.88 0.4411.15 0.420 16.54 0.40 %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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mag
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mag
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mag
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mag
Imag
mag
1 2.51213 41 10.83000+30 22 42.01321203-0214228205.295125+30.378337999 721981.0 -208 1363  16.9810.57  15.70
2 2.85913 41 11.10408+30 22 41.24281203-0214234205.296267+30.3781235691441979.0 -198 303  16.9510.73   9.49
3 3.77113 41 10.77600+30 22 46.30081203-0214227205.294900+30.3795288193751974.4 0 02  16.67    15.85
4 4.12013 41 11.22336+30 22 40.95121203-0214236205.296764+30.378042119 901976.6 28 -10511.9510.1710.65 9.69 9.16
5 5.84213 41 10.63344+30 22 47.35201203-0214225205.294306+30.3798201954131981.4 0 0318.62    16.2315.96
6 7.31313 41 10.41600+30 22 43.14001203-0214223205.293400+30.3786508359991973.6 90 86420.6317.8315.53  16.05
7 8.16613 41 10.41144+30 22 47.15041203-0214222205.293381+30.3797641852091973.7 0 0418.3016.94  16.1416.24
8 9.10413 41 10.30344+30 22 46.10281203-0214221205.292931+30.3794737709991994.3 -736 2443    10.8615.1315.82
9 9.84513 41 11.73600+30 22 42.50281203-0214240205.298900+30.3784739998101973.4 0 02  17.25  16.31  
%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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%22d:m:s%22&%">\BegDIVclass='sort-down ' </A>dec2UCAC

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UCmag
mag
No
Nc
pmRA
mas/yr
pmDE
mas/yr
2Mkey
Jmag
mag
Kmag
mag
1 2.95013 41 11.151480+30 22 41.6640042414345205.2964645 52+30.3782400 7715.29 2 2 1.2 13.5 19629606013.00511.889 %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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(...)
Bmag
mag
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Vmag
mag
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mag
r_
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mag
Hmag
mag
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mag
R
1 2.51413 41 10.830000+30 22 42.009961203-0217984..205.2951250+30.3783361B -208.0111.0 136.0 2.110.570B    16.980e        
2 2.95013 41 11.151456+30 22 41.664001203-0217990YM205.2964644+30.3782400C 1.2 5.6 13.5 6.118.350Y    16.950e13.00512.32811.889  
3 3.77013 41 10.776000+30 22 46.300081203-0217983..205.2949000+30.3795278B 0.0 0.0 0.0 0.0        16.670e        
4 5.84213 41 10.633344+30 22 47.349841203-0217981..205.2943056+30.3798194B 0.0 0.0 0.0 0.018.620o    16.230B        
5 7.31313 41 10.416000+30 22 43.140001203-0217979..205.2934000+30.3786500B 90.0 23.0 86.0 57.015.530B    17.830e        
6 8.16713 41 10.411344+30 22 47.150041203-0217978..205.2933806+30.3797639B 0.0 0.0 0.0 0.018.300o    16.140B        

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6 8.16713 41 10.411344+30 22 47.150041203-0217978..205.2933806+30.3797639B 0.0 0.0 0.0 0.018.300o    16.140B        
%22>\Ahref='VizieR-5?-ref=VIZ6638a6af35fffa&-out.add=.&-source=I/297/out&NOMAD1===1203-0217977' class='full'7 9.10413 41 10.303344+30 22 46.099921203-0217977..205.2929306+30.3794722B -736.0107.0 244.0216.110.860B    15.130B         8 9.84613 41 11.736000+30 22 42.499921203-0217995..205.2989000+30.3784722B 0.0 0.0 0.0 0.0        16.310B         %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
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Class
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pix
e
1 3.56013 41 11.17488+30 22 41.0952N5L8000318205.296562+30.3780821996.520 9.8811.1511.23 9.663 16.54 0.40
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%20The%20limiting%20magnitude%20is%20about%2015.2%20in%20the%20GSC%20photometric%20system.%3cP%3e%0a
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sub
1 3.03313 41 11.14944+30 22 41.5128134111.1+302241205.296456+30.378198 -6.20 12.3612.80015.02413.00512.32811.889 3PO
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