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The GSC-II catalog release GSC 2.3: description and properties

Published online by Cambridge University Press:  01 October 2007

B. Bucciarelli ,
M. G. Lattanzi ,
B. McLean ,
R. Drimmel ,
G. Greene ,
C. Loomis ,
R. Morbidelli ,
R. Pannunzio ,
R. L. Smart  and
A. Spagna
B. Bucciarelli
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
M. G. Lattanzi
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
B. McLean
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD, USA
R. Drimmel
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
G. Greene
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD, USA
C. Loomis
Affiliation:
Space Telescope Science Institute, 3700 San Martin Drive, Baltimore MD, USA
R. Morbidelli
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
R. Pannunzio
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
R. L. Smart
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
A. Spagna
Affiliation:
INAF, Astronomical Observatory of Torino 10025 Pino Torinese, TO, Italy
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Abstract

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The GSC 2.3 is a current catalog release extracted from the Guide Star Catalog II database, which is maintained at the Space Telescope Science Institute in Baltimore, USA. The catalog contains astrometry, multi-band photometry (BJ, RJ, IN) and star/non-star classification for 945,592,683 objects down to the magnitude limit of the survey plates. We review the performance of stellar parameters, anticipating the improvements in astrometric accuracy foreseen by its recalibration with the newly available catalog in the UCAC series.

Keywords

astrometrycatalogsreference systemssurveystechniques: miscellaneous
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 3 , Symposium S248: A Giant Step: from Milli- to Micro-arcsecond Astrometry , October 2007 , pp. 316 - 319
Copyright
Copyright © International Astronomical Union 2008

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