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: 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

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

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
10.9310 51 15.0288-17 00 28.6560607600554162.81262-17.00796 0.410.67 0.40 0303YD1984.081
21.4110 51 15.0648-17 00 28.6920607600554162.81277-17.00797 0.610.01 0.40 0303YE1984.242

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
11.1210 51 15.0360-17 00 28.4400607600554162.81265-17.00790 0.410.69 0.40 031984.081
21.4310 51 15.0648-17 00 28.6200607600554162.81277-17.00795 0.610.02 0.40 031984.242

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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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
GSC2.2

RA(ICRS)
deg
DE(ICRS)
deg
Epoch
yr
Rmag
mag
e_
mag
Bjmag
mag
e_
mag
Class

a
pix
e

10.98410 51 15.03648-17 00 28.8576S123330161162.812652-17.0080161986.252 8.89 0.42 9.70 0.380 33.22 0.74

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)
img(gal)

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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

10.98810 51 15.03672-17 00 28.8540S5IP000061162.812653-17.0080151986.252 8.8910.30   9.763 33.22 0.74
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)
img(gal)
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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
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
10.81610 51 14.9904696000-17 00 28.261224000S5IP071897162.81246029000-17.00785034000 2123330171897 2011.3593                      16.552    15.7058                            
21.04010 51 15.0367200000-17 00 28.652400000S5IP018769162.81265300000-17.00795900000 2123330118769 1998.2900                               11.427 10.658 10.305                      
31.06710 51 15.0571607144-17 00 28.919014587S5IP000061162.81267734000-17.00802143000 2123330161 2012.6603    10.296700 8.886310   9.761050         16.97416.37116.02315.96015.6650 11.741 12.577 11.111   11.95310.90610.294 7.122 4.560     33.217 0.736 43.7
41.24210 51 15.0546465600-17 00 29.178769320S5IP045111162.81272769400-17.00810521370 2123330145111 2012.0003                     14.92413.94313.49413.279   11.955   11.155   12.181        18.37317.553      
52.78010 51 14.9845848000-17 00 26.245332000S5IP071853162.81243577000-17.00729037000 2123330171853 2010.4073                      17.68317.222                                
62.81710 51 15.1070712000-17 00 31.016952000S5IP071913162.81294613000-17.00861582000 2123330171913 2010.9593                      17.778  17.136                              
73.69210 51 14.7692871096-17 00 26.683044444S5IP061526162.81153869629-17.00741195679 2123330161526 2013.0003                      19.451                                  

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

10.0010 51 14.9688-17 00 29.0160607600554162.81237-17.00806 0.410.69 0.40 03
21.3410 51 15.0384-17 00 29.9160607600554162.81266-17.00831 0.610.02 0.40 03
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