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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: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars. The version 1.2 is a new astrometric reduction which results in absolute position errors about 0.3-0.4 arcsec. (see GSC pages at URL http://www-gsss.stsci.edu/gsc/gsc.html)

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The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
The Full Catalogue (25241730 positions) (25241730 rows)
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arcsec
_RAJ2000
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GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
10.2423 33 39.9984+48 49 06.0960364502066353.41666+48.81836 0.210.89 0.40 10036O1983.675

Note: The GSC-ACT (or GSC1.3) is a recalibration of the GSC1.1, the catalogue constructed to support the operational need of the Hubble Space Telescope, with the ACT, the combination of the Astrographic Catalogue and the Tycho catalogue derived from the Hipparcos mission; see http://www.projectpluto.com/gsc_act.htm for more details about this recalibration.

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The HST Guide Star Catalog, Version GSC-ACT (Lasker+ 1996-99)

The GSC-ACT Full Catalogue (25241730 positions) (25241730 rows)
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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Epoch
yr
10.6123 33 39.9624+48 49 05.9880364502066353.41651+48.81833 0.210.91 0.40 101983.675

Note: The construction of the GSC-II is still in progress: this version has no proper motions, and the magnitude limits are 18.5 in F (red) and 19.5 in J (blue). The data are copyrighted, check the data use Policy.

I/271/out
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The GSC 2.2 Catalogue (STScI, 2001)

The Full GSC2.2.1 Catalogue (455851237 objects) (455851237 rows)
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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

10.70723 33 39.95448+48 49 05.9088N0120023612353.416477+48.8183081984.130    12.34 0.140    

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.

I/305/out
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The Guide Star Catalog, Version 2.3.2 (GSC2.3) (STScI, 2006)
The Full GSC2.3.2 Catalogue (945592683 objects) (945592683 rows)
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GSC2.3

RAJ2000
deg
DEJ2000
deg
Epoch
yr
Fmag
mag
jmag
mag
Vmag
mag
Nmag
mag
Class

a
pix
e

10.70523 33 39.95472+48 49 05.9088N16Z000612353.416478+48.8183082000.000    11.07  0    
20.73023 33 39.95088+48 49 05.9484N16Z033248353.416462+48.8183192000.000    10.52  0    
30.73023 33 39.95088+48 49 05.9484N16Z021710353.416462+48.8183192000.000    10.52  0    
I/353/gsc242
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The Guide Star Catalog, Version 2.4.2 (GSC2.4.2) (STScI, 2020)
Guide Star Catalogue, Version 2.4.2 (original column names in green) (3485671481 rows)
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_r
arcsec
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GSC2

RA_ICRS
deg
DE_ICRS
deg
objID

Epoch
yr
Class

Gmag
mag
OMag
mag
Bjmag
mag
Fpgmag
mag
Epgmag
mag
Npgmag
mag
Umag
mag
Bmag
mag
Vmag
mag
umag
mag
gmag
mag
rmag
mag
imag
mag
zmag
mag
ymag
mag
Jmag
mag
Hmag
mag
Ksmag
mag
Zmag
mag
Ymag
mag
W1mag
mag
W2mag
mag
W3mag
mag
W4mag
mag
FUVmag
mag
NUVmag
mag
a
pix
e
pix
PA
pix
10.07023 33 40.0274448000+48 49 06.180996000N16Z083079353.41678102000+48.81838361000 10120023830792010.3683                       8.839 9.202                                
20.60923 33 40.0443672000+48 49 05.563272000N16Z083239353.41685153000+48.81821202000 10120023832392011.8593                     9.849 8.109 8.169                                
30.71723 33 39.9536132808+48 49 05.901489264N16Z000612353.41647338867+48.81830596924 101200236122000.0000              12.33500011.07300011.87311.12413.121 8.657 8.911             4.603 4.400 4.088 3.480          
40.71923 33 39.9551341282+48 49 05.973846690N16Z021710353.41646922400+48.81831327672 10120023217102015.5000 9.103696          11.38000011.75000010.520000   9.943 9.414 8.639 7.757 7.2932 6.192 5.289 4.894                     0.0
52.08823 33 40.1585856000+48 49 07.729464000N16Z083492353.41732744000+48.81881374000 10120023834922013.2423                        13.55014.190                              
62.24223 33 40.0232880000+48 49 08.373900000N16Z083313353.41676370000+48.81899275000 10120023833132011.2883                      13.225    11.3098                            
72.25723 33 40.0739400000+48 49 08.330448000N16Z082661353.41697475000+48.81898068000 10120023826612011.5413                      13.71313.70713.125                              
82.47123 33 40.0657248000+48 49 03.698400000N16Z083254353.41694052000+48.81769400000 10120023832542012.3713                         8.771 6.81911.6248                            
92.56723 33 40.0576464000+48 49 03.588744000N16Z084431353.41690686000+48.81766354000 10120023844312011.3823                         8.32614.24811.8987                            
103.50623 33 39.9340032000+48 49 09.527628000N16Z083020353.41639168000+48.81931323000 10120023830202011.5813                        13.26213.08112.7641                            
113.73023 33 39.7225032000+48 49 03.865116000N16Z083403353.41551043000+48.81774031000 10120023834032013.7873                      15.24413.44813.439                              

Note: The Guide Star Catalog has been constructed to support the operational need of the Hubble Space Telescope; it is primarily based on an all-sky, single epoch, single passband collection of Schmidt plates. It contains over 25 million positions for about 19 million objects, of which more than 15 million are classified as stars.

I/220/out
Post annotation
The HST Guide Star Catalog, Version 1.1 (Lasker+ 1992)

The Full Catalogue (25258765 positions) (25258765 rows)
img(gal)

start AladinLite
Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

10.0023 33 40.0224+48 49 06.1320364502066353.41676 48.81837 0.210.91 0.40 10
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