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
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_DEJ2000
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GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
11.0520 12 40.4088-02 08 37.8600516500481303.16837-02.14385 0.512.63 0.40 03018Z1981.713
21.3820 12 40.3848-02 08 37.7160516500481303.16827-02.14381 0.512.46 0.40 0302C21982.629
31.7620 12 40.3632-02 08 37.5000516500481303.16818-02.14375 0.412.46 0.40 0301O11982.626

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
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GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Epoch
yr
11.4020 12 40.3824-02 08 37.7160516500481303.16826-02.14381 0.512.49 0.40 031982.629
21.4320 12 40.3704-02 08 37.8600516500481303.16821-02.14385 0.512.63 0.40 031981.713
31.6620 12 40.3752-02 08 37.4640516500481303.16823-02.14374 0.412.47 0.40 031982.626

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
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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

11.81020 12 40.49136-02 08 37.0896S302320336783303.168714-02.1436361982.631    14.86 0.423 8.71 0.17
22.26420 12 40.31256-02 08 37.6656S3023203550303.167969-02.1437961990.56510.68 0.4212.92 0.420 10.03 0.19

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

_r
arcsec
_RAJ2000
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_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

11.81720 12 40.49136-02 08 37.0824SA1V036783303.168714-02.1436341982.631  14.86    3 8.71 0.17
22.26520 12 40.31280-02 08 37.6584SA1V000550303.167970-02.1437941990.56510.6812.92   9.743 10.03 0.19
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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Full

_r
arcsec
_RAJ2000
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_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
11.79420 12 40.4882812512-02 08 37.088699352SA1V036783303.16870117188-02.14363574982 23023203367831982.6300    14.862800                                               8.705 0.174127.5
22.26620 12 40.2393537263-02 08 38.021171439SA1V000550303.16796875000-02.14379572868 230232035501990.5700  15.54350012.91810010.682500   9.744960                                         10.034 0.192135.4
34.02320 12 40.1776800000-02 08 39.148800000SA1V044101303.16740700000-02.14420800000 23023203441011998.7040                               9.218 8.513 8.351                      

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

10.0020 12 40.4448-02 08 38.7600516500481303.16852 -2.14410 0.512.49 0.40 03
20.7220 12 40.3992-02 08 38.5440516500481303.16833 -2.14404 0.512.63 0.40 03
31.3320 12 40.4160-02 08 37.5000516500481303.16840 -2.14375 0.412.47 0.40 03
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