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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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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

Plate

Epoch
yr
10.3800 05 16.7256-16 28 36.7320583800651001.31969-16.47687 0.5 9.05 0.37 03024M1983.539

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
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_DEJ2000
"d:m:s"
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Epoch
yr
10.2700 05 16.7184-16 28 36.6960583800651001.31966-16.47686 0.5 9.06 0.38 031983.539

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
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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

10.33800 05 16.68048-16 28 36.5196S000131089001.319502-16.4768111995.658 8.68 0.38    0 30.39 0.66

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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Full

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arcsec
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GSC2.3

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

a
pix
e

10.33500 05 16.68072-16 28 36.5160S038000089001.319503-16.4768101995.658 8.68     8.733 30.39 0.66
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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_r
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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
10.33800 05 16.6692669962-16 28 36.477350913S038000089001.31950199604-16.47681045532 20001310891995.6603  10.095500   8.684410   8.732070        15.03213.62513.18412.824   13.529 12.765 12.353                 30.390 0.660 24.5
20.34800 05 16.7038041720-16 28 36.863806656S038012970001.31959918405-16.47690661296 20001310129702015.500018.567957              18.667000  17.83717.35916.64216.60516.1073 11.195 10.462 10.144    10.63810.450 6.336 4.307  16.250      
32.73100 05 16.7940044400-16 28 38.920898424S038026106001.31997501850-16.47747802734 20001310261062013.0003                18.51199919.97619.417                                    
42.76900 05 16.6142177592-16 28 34.066314696S038016479001.31922590733-16.47612953186 20001310164792013.0003                  21.436                                      
53.12500 05 16.8950256000-16 28 35.027148000S038025592001.32039594000-16.47639643000 2000131025592  3                  17.33814.62418.571                                  
63.37900 05 16.4791202544-16 28 37.492675788S038028250001.31866300106-16.47708129883 20001310282502013.0003                  22.02218.718                                    
73.80100 05 16.9024800000-16 28 39.025200000S038012944001.32042700000-16.47750700000 20001310129441998.5480                  18.77719.558           13.638 13.202                      
83.86500 05 16.9483200000-16 28 38.125200000S038012942001.32061800000-16.47725700000 20001310129421998.5480                    17.734         14.358                          
94.10500 05 16.6704940800-16 28 32.438964828S038014401001.31946039200-16.47567749023 20001310144012013.0003                  21.538                                      
104.21500 05 16.4340840000-16 28 34.874904000S038010080001.31847535000-16.47635414000 20001310100802012.4323    12.623300            16.52218.21817.93717.979                           11.754 0.490 23.1

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

10.0000 05 16.7040-16 28 36.5160583800651 1.31960-16.47681 0.5 9.06 0.38 03
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