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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Bmag
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Rmag
mag
Epoch
yr
1 4.20401 58 44.55552-25 48 13.32000600-00772655029.685648-25.803700    12.112.81981.408
%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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Class
Plate
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yr
1 3.7001 58 44.5272-25 48 12.9600643000393029.68553-25.80360 0.313.92 0.37 0304JM1977.845
%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>%203.72&%3cFONT%20COLOR=%27#CD5B45%27>01%2058%2044.5344&%3cFONT%20COLOR=%27#CD5B45%27>-25%2048%2012.924&0643000393&029.68556&-25.80359&%200.3&13.95&%200.38&%200&3&1977.845%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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RA(ICRS)
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Rmag
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mag
Bjmag
mag
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Class
a
pix
e
1 3.49401 58 44.52360-25 48 12.7512S0330002260029.685515-25.8035421996.92114.32 0.4213.29 0.243 8.86 0.23
%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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pmDE
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Ndet
B1mag
mag
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mag
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mag
R2mag
mag
Imag
mag
1 3.99101 58 44.56536-25 48 12.97080641-0021038029.685689-25.8036031331651973.9 0 0514.7513.5712.6013.2715.02
2 4.40901 58 44.44680-25 48 14.10120641-0021037029.685195-25.8039179999991970.2 0 0217.33      18.08

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%3cEM%3e2&%3cFONT%20COLOR=%27#CD5B45%27>%204.409&%3cFONT%20COLOR=%27#CD5B45%27>01%2058%2044.44680&%3cFONT%20COLOR=%27#CD5B45%27>-25%2048%2014.1012&0641-0021037&029.685195&-25.803917&999&999&1970.2&%20%20%20%20%200&%20%20%20%20%200&2&17.33&%20&%20&%20&18.08%3cBR%3e">\Ahref='VizieR-5?-ref=VIZ6622e94719c131&-out.add=.&-source=I/284/out&USNO-B1.0===0641-0021039&-out.orig=o' class='full'3 5.27901 58 44.58816-25 48 14.31000641-0021039029.685784-25.803975162 191970.2 0 0217.60      15.79 4 7.83901 58 44.77872-25 48 15.58080641-0021040029.686578-25.8043286259991966.2 0 0218.23  18.05     5 9.24801 58 45.02280-25 48 13.29120641-0021041029.687595-25.8036926849991966.2 0 0219.92  20.53     %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
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mag
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mag
Hmag
mag
Kmag
mag
R
1 3.99001 58 44.565336-25 48 12.970080641-0021182.M029.6856889-25.8036028B 0.0 0.0 0.0 0.012.600B    13.270B16.37314.44814.582  
2 4.40801 58 44.446656-25 48 14.100120641-0021181..029.6851944-25.8039167B 0.0 0.0 0.0 0.017.330o                
3 5.27801 58 44.587992-25 48 14.310000641-0021183YM029.6857833-25.8039750B 0.0 0.0 0.0 0.017.970o17.740Y    16.21114.54114.467  
4 7.83801 58 44.778672-25 48 15.580080641-0021184..029.6865778-25.8043278B 0.0 0.0 0.0 0.018.050B                
5 9.24501 58 45.022656-25 48 13.290120641-0021185..029.6875944-25.8036917B 0.0 0.0 0.0 0.020.530B                
%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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RAJ2000
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Fmag
mag
jmag
mag
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mag
Nmag
mag
Class
a
pix
e
1 3.48801 58 44.52360-25 48 12.7440S2YQ000260029.685515-25.8035401996.92114.3213.29  15.843 8.86 0.23 %0a%0a
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r2mag
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No
fl
1 3.95301 58 44.57688-25 48 12.8016029.685737-25.803556 15.7 5.616.37314.58214.7512.6013.5713.2715.02 6 0
2 6.06501 58 44.33712-25 48 15.7824029.684738-25.804384 -21.3 -104.8    17.33      18.08 2 0
3 6.52601 58 44.56872-25 48 15.8220029.685703-25.804395 4.6 -37.016.37314.58217.60      15.79 4 1
4 7.56701 58 44.92176-25 48 07.3764029.687174-25.802049 -18.7 131.3    19.9220.53       2 0
5 9.33401 58 44.81952-25 48 17.0712029.686748-25.804742 37.1 -58.7    18.2318.05       2 0
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e_RAJ2000
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arcsec
magBJ
mag
e_
mag
magRF
mag
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magG
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magGrvs
mag
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mag
alphaEpoch
yr
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1 3.95301 58 44.57685-25 48 12.8019029.685737-25.803556 0.068 0.06813.291 0.30014.320 0.30014.000 0.40014.720 0.5001987.84001987.8400 15.7 4.1 5.6 4.1 2 6.52501 58 44.56873-25 48 15.8219029.685703-25.804395 0.060 0.08317.600 0.40018.104 0.50017.937 0.40018.248 0.5001993.59001993.5900 4.6 5.3 -37.0 5.6 %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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pmRA
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Nobs
Dt
yr
Rmag
mag
Bmag
mag
Nmag
mag
Vmag
mag
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mag
Hmag
mag
Kmag
mag
1 3.88601 58 44.541407-25 48 13.06304029.6855892 185.00-25.8036286 284.0036610+00002604 2.4 6.0 -2.4 9.1 542.262 14.320 13.291 15.843   16.373 14.448 14.582
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