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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)

I/254/out
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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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Full

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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
10.1019 53 24.8352-26 56 35.4120689901337298.35348-26.94317 0.4 8.92 0.40 0306ST1974.558
20.9319 53 24.8808-26 56 36.2400689901337298.35367-26.94340 0.6 8.80 0.40 0001D41976.412

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.

I/255/out
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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
10.0719 53 24.8352-26 56 35.4480689901337298.35348-26.94318 0.4 8.93 0.40 031974.558
20.6919 53 24.8640-26 56 36.0960689901337298.35360-26.94336 0.6 8.80 0.42 001976.412

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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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
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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

11.57419 53 24.86640-26 56 37.0176S3330001849298.353610-26.9436161991.080     9.84 0.030    

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
Post annotation
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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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
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GSC2.3

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

a
pix
e

11.54419 53 24.86472-26 56 36.9924SCG1059503298.353603-26.9436092000.000     8.05  0    
21.54419 53 24.86472-26 56 36.9924SCG1058743298.353603-26.9436092000.000     8.05  0    
31.54419 53 24.86472-26 56 36.9924SCG1058742298.353603-26.9436092000.000     8.05  0    
41.54419 53 24.86472-26 56 36.9924SCG1057818298.353603-26.9436092000.000     8.05  0    
51.54419 53 24.86472-26 56 36.9924SCG1022657298.353603-26.9436092000.000     8.05  0    
61.54419 53 24.86472-26 56 36.9924SCG1057299298.353603-26.9436092000.000     8.05  0    
71.56719 53 24.86664-26 56 37.0104SCG1000849298.353611-26.9436142000.000     8.22  0    
I/353/gsc242
Post annotation
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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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
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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
10.52119 53 24.8071080000-26 56 35.762424000SCG1078897298.35336295000-26.94326734000 2333000178897 2013.9203                     8.265 7.728 8.189 7.553   11.185                          
21.32519 53 24.8606400000-26 56 36.780000000SCG1134643298.35358600000-26.94355000000 23330001134643 1998.0843                     8.687 7.697 7.296 7.072 6.9210                            
31.55719 53 24.8990400000-26 56 34.142352000SCG1134644298.35374600000-26.94281732000 23330001134644 2013.5303                     13.15013.234                                  
41.90219 53 24.8644530323-26 56 36.978534488SCG1000849298.35367502074-26.94369483321 23330001849 2015.5000 7.638506             9.370000 8.050000     7.975 7.578 7.300 6.5353 5.779 5.052 4.935     4.886 4.793 4.896 4.836  17.779      
52.64019 53 25.0374000000-26 56 35.468340000SCG1080627298.35432250000-26.94318565000 2333000180627 2011.4053                     13.234      11.3837 11.222                          
62.98019 53 25.0267464000-26 56 33.858312000SCG1133856298.35427811000-26.94273842000 23330001133856 2013.1723                      13.70113.55512.151                              
73.04219 53 24.9559920000-26 56 38.100804000SCG1133945298.35398330000-26.94391689000 23330001133945 2011.2973                           7.683 6.6061                            
83.13619 53 24.7497408000-26 56 38.378652000SCG1135101298.35312392000-26.94399407000 23330001135101 2013.5703                     13.023 7.589                                  
93.15619 53 24.6572904000-26 56 33.485424000SCG1134880298.35273871000-26.94263484000 23330001134880 2011.1353                       9.84414.139  13.5542                            
103.56619 53 24.7791432000-26 56 32.011980000SCG1135049298.35324643000-26.94222555000 23330001135049 2009.0093                        14.110                                
113.59619 53 25.1050896000-26 56 34.881036000SCG1135068298.35460454000-26.94302251000 23330001135068 2012.8653                      13.82713.899  12.6938                            
124.43919 53 24.6806376000-26 56 39.378516000SCG1135132298.35283599000-26.94427181000 23330001135132 2014.0733                        13.32413.01012.5908                            

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

10.0019 53 24.8400-26 56 35.4840689901337298.35350-26.94319 0.4 8.93 0.40 03
20.8019 53 24.8136-26 56 36.2040689901337298.35339-26.94339 0.6 8.80 0.42 00
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