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.

Full
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arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
USNO-A2.0
RAJ2000
deg
DEJ2000
deg
ACTflag
Mflag
Bmag
mag
Rmag
mag
Epoch
yr
1 1.95015 55 30.94008+41 56 52.46161275-08786238238.878917+41.947906    15.114.01955.227
2 5.97415 55 30.90552+41 56 48.23161275-08786233238.878773+41.946731    16.316.81955.227
3 8.27515 55 30.97416+41 57 02.22121275-08786247238.879059+41.950617    13.111.41955.227
%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
Full
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 _RAJ2000
"h:m:s"
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"d:m:s"
GSC
RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_
Class
Plate
Epoch
yr
1 8.0915 55 30.9864+41 57 02.0520305701354238.87911+41.95057 0.213.05 0.37 1301RZ1982.390
%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=-1arcsec &%25%0a%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_RAJ2000
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&%25%0a%3cEM%3e%20%3cFONT%20COLOR=%27#CD5B45%27>_DEJ2000
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%0a
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&%25%0aEpoch
%0ayr
%20
%3cBR%3e%0a%3cEM%3e1&%3cFONT%20COLOR=%27#CD5B45%27>%208.07&%3cFONT%20COLOR=%27#CD5B45%27>15%2055%2030.9720&%3cFONT%20COLOR=%27#CD5B45%27>%2b41%2057%2002.016&0305701354&238.87905&%2b41.95056&%200.2&13.07&%200.38&%201&3&1982.390%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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 _RAJ2000
"h:m:s"
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"d:m:s"
APM-ID
RAJ2000
deg
DEJ2000
deg
rmag
mag
l_
rClass
rStel
rDiam
arcsec
rEll
bmag
mag
l_
bClass
bStel
bDiam
arcsec
b-r
mag
Mflag
1 6.17115 55 30.96216+41 57 00.0828EO1369-0140643238.879009+41.950023 9.02   1 19.44 54.6 0.7310.94   1 26.27 47.7 1.92  
%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
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e

%20
%22> 1 7.47915 55 30.98160+41 57 01.4292N1323002113238.879090+41.9503971991.27210.64 0.3211.76 0.290 18.99 0.67 %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
Full
_r
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 _RAJ2000
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USNO-B1.0
RAJ2000
deg
DEJ2000
deg
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 4.20815 55 30.97272+41 56 58.11001319-0305036238.879053+41.949475 559991974.2 0 0214.58  12.04    
2 5.05415 55 30.92016+41 56 49.14241319-0305033238.878834+41.9469841459101969.2 -4 -74315.2813.69    13.81
3 6.18615 55 30.89952+41 56 48.03001319-0305032238.878748+41.9466753464641967.2 0 0316.5016.60  14.36  
4 8.06515 55 30.97608+41 57 02.01241319-0305037238.879067+41.950559 331891993.2 0 02      11.3110.44
5 8.24715 55 31.10208+41 56 45.76201319-0305043238.879592+41.9460459992691976.2 0 02  19.04    16.74
6 8.81215 55 30.81480+41 56 45.57121319-0305029238.878395+41.945992 404551972.7 0 0218.57      16.74
7 9.83715 55 31.00344+41 57 03.81241319-0305038238.879181+41.9510591146571976.0 8 36513.3611.2312.2711.0310.73
%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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">
DEJ2000
%20
%22>%5cFONT SIZE=-1dege_
mas
UCmag
mag
No
Nc
pmRA
mas/yr
pmDE
mas/yr
2Mkey
Jmag
mag
Kmag
mag
1 7.91315 55 30.987336+41 57 01.8712846295759238.8791139 69+41.9505198 7016.01 5 2 3.7 20.8 61368783813.24412.212 %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
Full
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 _RAJ2000
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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 4.20915 55 30.972672+41 56 58.110001319-0309582YM238.8790528+41.9494750B 0.0 0.0 0.0 0.018.040Y16.660Y    15.05412.81713.762  
2 5.05715 55 30.919992+41 56 49.139881319-0309579..238.8788333+41.9469833B -4.0 3.0 -74.0 24.015.280o    13.690e        
3 6.18715 55 30.899328+41 56 48.030001319-0309578..238.8787472+41.9466750B 0.0 0.0 0.0 0.016.500o    14.360B        
4 7.91315 55 30.987336+41 57 01.870921319-0309583YM238.8791139+41.9505197C 3.7 6.7 20.8 6.815.250Y13.880Y11.310B13.24412.39212.212  
5 8.25015 55 31.102008+41 56 45.759841319-0309588..238.8795917+41.9460444B 0.0 0.0 0.0 0.0        19.040e        
6 8.81415 55 30.814656+41 56 45.570121319-0309575..238.8783944+41.9459917B 0.0 0.0 0.0 0.018.570o                

[****ClosingBrace(s)Inserted****]

6 8.81415 55 30.814656+41 56 45.570121319-0309575..238.8783944+41.9459917B 0.0 0.0 0.0 0.018.570o                
%22>\EndTABLESORT

Note: This version of the GSC-II has no proper motions, but the limits on brightness which existed on GSC2.2 (F<18.5, Bj<19.5) were removed.

Full
_r
arcsec
 _RAJ2000
"h:m:s"
 _DEJ2000
"d:m:s"
GSC2.3
RAJ2000
deg
DEJ2000
deg
Epoch
yr
Fmag
mag
jmag
mag
Vmag
mag
Nmag
mag
Class
a
pix
e
1 7.48215 55 30.98160+41 57 01.4328N62Q000113238.879090+41.9503981991.27210.6411.7611.5710.733 18.99 0.67
%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