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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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GSC

RAJ2000
deg
DEJ2000
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PosErr
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Pmag
mag
e_
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n_

Class

Plate

Epoch
yr
10.0015 02 44.8992-03 01 53.0040500400900225.68708-03.03139 0.1 6.57 0.00 40+056  

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
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_RAJ2000
"h:m:s"
_DEJ2000
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GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Epoch
yr
10.0015 02 44.8992-03 01 53.0040500400900225.68708-03.03139 0.1 6.59 0.00 40  

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
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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

10.45715 02 44.86872-03 01 52.9896S2310002430225.686953-03.0313861991.120     6.83 0.010    

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)
img(gal)

start AladinLite
Full

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GSC2.3

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

a
pix
e

10.45315 02 44.86896-03 01 52.9896S8W2016779225.686954-03.0313862000.000     6.60  0    
20.45315 02 44.86896-03 01 52.9896S8W2015942225.686954-03.0313862000.000     6.60  0    
30.45315 02 44.86896-03 01 52.9896S8W2026546225.686954-03.0313862000.000     6.60  0    
40.45315 02 44.86896-03 01 52.9896S8W2001761225.686954-03.0313862000.000     6.60  0    
50.45315 02 44.86896-03 01 52.9896S8W2021195225.686954-03.0313862000.000     6.60  0    
60.45315 02 44.86896-03 01 52.9896S8W2019947225.686954-03.0313862000.000     6.60  0    
70.45315 02 44.86896-03 01 52.9896S8W2020639225.686954-03.0313862000.000     6.60  0    
80.45315 02 44.86896-03 01 52.9896S8W2013035225.686954-03.0313862000.000     6.60  0    
90.45315 02 44.86896-03 01 52.9824S8W2000430225.686954-03.0313842000.000     6.64  0    
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)
img(gal)
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_r
arcsec
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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
10.50715 02 44.8658688000-03 01 53.091084000S8W2081042225.68694112000-03.03141419000 22310002810422012.6723                     6.911 6.445 7.058 7.458 6.5747           6.097 6.029 6.118 5.961  11.572      
21.29915 02 44.8679913049-03 01 52.985998533S8W2000430225.68673195260-03.03148742017 223100024302015.5000 6.553686             6.790000 6.600000   6.753   7.373 6.698   6.166 6.120 6.060                      
32.00115 02 44.8940712000-03 01 51.004884000S8W2081409225.68705863000-03.03083469000 22310002814092012.6233                     7.778      11.6890                            
43.36015 02 45.1123392000-03 01 51.958056000S8W2082566225.68796808000-03.03109946000 22310002825662014.9273                    13.42313.19113.72313.663                              
53.66815 02 44.9650488000-03 01 49.470708000S8W2082501225.68735437000-03.03040853000 22310002825012012.7663                        13.47313.27213.6248                            
63.72215 02 44.9868000000-03 01 56.486856000S8W2082452225.68744500000-03.03235746000 22310002824522014.1263                    13.281      13.2854                            
73.80515 02 45.0654672000-03 01 50.127636000S8W2082461225.68777278000-03.03059101000 22310002824612014.0103                      12.62313.830  12.9595                            
83.96415 02 45.1623048000-03 01 52.575060000S8W2082375225.68817627000-03.03127085000 22310002823752014.4883                        15.342                                
94.34115 02 44.7881544000-03 01 57.013500000S8W2082565225.68661731000-03.03250375000 22310002825652014.5473                        13.988  11.9855                            
104.62815 02 44.6699736000-03 01 49.900944000S8W2082803225.68612489000-03.03052804000 22310002828032014.1723                    13.088  12.893  12.8012                            
114.82515 02 45.1679520000-03 01 50.343744000S8W2082344225.68819980000-03.03065104000 22310002823442014.4283                    14.89714.801    13.3553                            
124.94115 02 45.0392688000-03 01 57.477252000S8W2082343225.68766362000-03.03263257000 22310002823432014.3703                        14.906  15.8649                            

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

10.0015 02 44.8992-03 01 53.0040500400900225.68708 -3.03139 0.1 6.59 0.00 00
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