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

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
10.0023 23 22.0944-33 47 09.4920751000993350.84206-33.78597 1.314.67 0.40 0304851980.761

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
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GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Epoch
yr
10.2523 23 22.1112-33 47 09.3480751000993350.84213-33.78593 1.314.69 0.40 031980.761

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

10.89223 23 22.05984-33 47 08.7108S32231109350.841916-33.7857531996.75713.36 0.4313.07 0.283 10.34 0.06

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

10.89423 23 22.06008-33 47 08.7072SBMC000009350.841917-33.7857521996.75713.3613.07  13.823 10.34 0.06
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
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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
10.68723 23 22.1119200000-33 47 08.840400000SBMC009145350.84213300000-33.78578900000 232231109145 1999.6050                               14.028 13.657 12.897                      
20.72823 23 22.0659024000-33 47 08.856780000SBMC055720350.84194126000-33.78579355000 2322311055720 2014.4993                  17.576 15.46315.38517.83315.50815.5530 16.154 15.470 15.12116.959 16.628                  
30.73223 23 22.0788292800-33 47 08.786591880SBMC023812350.84199512200-33.78577405330 2322311023812 2012.0003                               16.136 15.499 15.10516.961 16.63313.49813.42110.565 8.783          
40.88123 23 22.0522301576-33 47 08.564563195SBMC000009350.84191894531-33.78575515747 232231109 1996.7603    13.07300013.363600  13.824600                   16.098 15.474 15.09416.932               10.342 0.058104.2
53.39023 23 21.8346669600-33 47 08.487636720SBMC034056350.84097777900-33.78569101020 2322311034056 2012.0003                                 16.958 16.682   18.014                  
63.43723 23 22.1411132808-33 47 12.879638664SBMC137598350.84225463867-33.78691101074 23223110137598 2013.0003                     25.765                                    
73.56323 23 21.8201469600-33 47 08.488568760SBMC045561350.84091727900-33.78569126910 2322311045561 2012.0003                      20.570       17.594 17.000 16.716   18.006                  
83.87423 23 21.9287109384-33 47 12.769775376SBMC151142350.84136962891-33.78688049316 23223110151142 2013.0003                      21.038                                  
94.00223 23 22.4047851552-33 47 08.471374512SBMC196251350.84335327148-33.78568649292 23223110196251 2013.0003                     23.682    21.910                              
104.65423 23 22.0019531256-33 47 04.983215316SBMC249132350.84167480469-33.78471755981 23223110249132 2013.0003                  20.589 20.83620.525  19.133                              

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

12.3023 23 21.9096-33 47 09.4200751000993350.84129-33.78595 1.314.69 0.40 03
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