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VizieR

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The 7 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 The HST Guide Star Catalog, Version 1.2 (Lasker+ 1996)
The Full Catalogue (25241730 positions) (25241730 rows)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
GSC

RAJ2000
deg
DEJ2000
deg
PosErr
arcsec
Pmag
mag
e_
mag
n_

Class

Plate

Epoch
yr
1 0.4519 53 17.9616-50 46 33.88819 49 31.6348-50 54 22.141347.7860185-30.21936320840300773298.32484-50.77608 0.312.84 0.37 0001CC1975.369
I/259/tyc2 The Tycho-2 Catalogue (Hog+ 2000)
*The Tycho-2 main catalogue (2539913 rows) (Note)
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_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
TYC1

TYC2

TYC3

pmRA
mas/yr
pmDE
mas/yr
BTmag
mag
VTmag
mag
HIP

RA(ICRS)
deg
DE(ICRS)
deg
1 0.13519 53 17.9908046-50 46 34.26635519 49 31.6022679-50 54 21.869441347.7859085489-30.21945229378403 7731 10.3 -15.113.07312.177  298.32492472-50.77615083

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 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
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
GSC2.2

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

a
pix
e

1 0.04519 53 17.99088-50 46 34.269619 49 31.66393-50 54 22.5245347.78590754-30.21945260S3321230965298.324962-50.7761861985.220    13.07 0.250    

Note: Detailed introduction can be found in intro.tex (see also http://aries.usno.navy.mil/ad/ac.html) Direct links to Hipparcos and Tycho observations are provided from the relevant columns.

I/275/ac2002 The AC 2000.2 Catalogue (Urban+ 2001)
All 4,621,751 stars from the AC2000.2 Catalogue (Detailed introduction) (4621751 rows) (Note)
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Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
RAJ2000
"h:m:s"
DEJ2000
"d:m:s"
Bmag
mag
mEp
yr
e_RAJ2000
(...)
e_DEJ2000
arcsec
ACnum

TYC2

Vmag
mag
1 1.70119 53 17.89100-50 46 32.830019 49 31.56481-50 54 21.0785347.78633009-30.2191430119 53 17.891-50 46 32.8313.071903.664     394489784030007730112.177
I/280B/ascc All-sky Compiled Catalogue of 2.5 million stars (Kharchenko+ 2009)
ASCC-2.5 V3: All-sky Compiled Catalogue of 2.5 million stars, 3rd version (2501313 rows)
img(gal)
start AladinLite
Full

_r
arcsec
_RAJ2000
"h:m:s"
_DEJ2000
"d:m:s"
_RAB1950
"h:m:s"
_DEB1950
"d:m:s"
_Glon
deg
_Glat
deg
RAJ2000
deg
DEJ2000
deg
Plx
mas
e_
mas
pmRA
mas/yr
pmDE
mas/yr
Bmag
mag
Vmag
mag
Jmag
mag
Hmag
mag
Kmag
mag
SpType

1 0.14419 53 17.9907779-50 46 34.26836519 49 31.6023979-50 54 21.871960347.7859465380-30.2194230776298.32492210-50.77614898     10.27 -15.0912.87512.08611.37311.10211.072