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 5.91013 07 01.61952+16 00 26.22241050-06844229196.756748+16.007284    11.112.41950.293
2 7.41313 07 01.52544+16 00 25.50241050-06844218196.756356+16.007084    16.013.31956.201
%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 6.7613 07 01.5768+16 00 25.3440145000358196.75657+16.00704 0.414.34 0.40 1001PP1982.155
%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>%206.97&%3cFONT%20COLOR=%27#CD5B45%27>13%2007%2001.5528&%3cFONT%20COLOR=%27#CD5B45%27>%2b16%2000%2025.740&0145000358&196.75647&%2b16.00715&%200.4&14.34&%200.40&%201&0&1982.155%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 6.15013 07 01.60488+16 00 26.0820EO0080-0221882196.756687+16.007245 9.33   1 16.49 38.4 0.2010.42   1 9.88 44.0 1.09  
2 7.42813 07 01.51944+16 00 25.7400EO1572-0135148196.756331+16.00715013.98   1 9.19 46.2 0.2115.12   1 26.68 42.3 1.14  
%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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1 2.27213 07 01.88016+16 00 26.5680N12333336543196.757834+16.0073801990.321    14.09 0.373 14.27 0.35 2 6.86913 07 01.55712+16 00 25.8732N123333398196.756488+16.0071871991.13510.65 0.3812.14 0.373 17.12 0.16 %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
R1mag
mag
B2mag
mag
R2mag
mag
Imag
mag
1 3.19113 07 02.00016+16 00 30.90241060-0206795196.758334+16.0085843559991974.7 0 0215.04      16.53
2 5.39413 07 02.15688+16 00 22.72321060-0206798196.758987+16.0063129998831965.6 0 0317.3016.5917.91    
3 6.74813 07 01.56672+16 00 25.83001060-0206786196.756528+16.0071751162571978.6 16 10516.5513.5210.35 9.8612.53
4 7.33213 07 01.56216+16 00 24.41161060-0206785196.756509+16.0067816847851963.6 0 0311.4511.9410.51    
%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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1 3.18813 07 01.999992+16 00 30.899881060-0210845..196.7583333+16.0085833B 0.0 0.0 0.0 0.015.040o                 2 5.39613 07 02.156664+16 00 22.719961060-0210848..196.7589861+16.0063111B 0.0 0.0 0.0 0.017.910B    16.590e         3 6.74913 07 01.566672+16 00 25.830001060-0210836..196.7565278+16.0071750B 16.0 4.0 10.0 9.010.350B     9.860B         4 7.33513 07 01.561992+16 00 24.410161060-0210835YM196.7565083+16.0067806B 0.0 0.0 0.0 0.017.680Y17.920Y11.940e15.21714.58014.285   %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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1 2.26713 07 01.88040+16 00 26.5716N5J3006543196.757835+16.0073811990.321  14.09    3 14.27 0.35
2 6.86513 07 01.55736+16 00 25.8768N5J3000098196.756489+16.0071881991.13510.6512.1412.3111.460 17.12 0.16
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%22> 1 5.45413 07 01.95960+16 00 33.1128196.758165+16.009198 -18.0 43.0    15.04      16.53 2 0 2 5.84213 07 02.15184+16 00 22.2156196.758966+16.006171 34.2 -24.4    17.3017.9116.59     3 1 3 7.08213 07 01.54632+16 00 25.6464196.756443+16.007124 7.6 3.415.21814.28516.5510.3513.52  12.53 6 0 4 7.09813 07 01.54536+16 00 25.6392196.756439+16.007122 -1.1 13.215.21814.28511.4510.5111.94     4 0 %0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%3cP%3e%0a
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1 7.05413 07 01.55136+16 00 25.5123196.756464+16.007087 0.005 0.00610.510 0.40011.940 0.40014.453 0.08013.414 0.1102005.42002005.4200 -1.1 3.8 13.2 3.8
2 7.08213 07 01.54633+16 00 25.6462196.756443+16.007124 0.066 0.06612.142 0.30010.650 0.30010.892 0.400 9.731 0.5001990.09001990.0900 7.6 4.3 3.4 4.3
%0a%0a%3cP%3e%0a%3cFONT%20SIZE=%27-1%27%3e%3cEM%3e%3cFONT%20COLOR=%27#0000FF%27>%3cB%3eNote:%20%3cP%3e%0a