Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001ycat.1275....0u&link_type=abstract
VizieR On-line Data Catalog: I/275. Originally published in: 1998AJ....115.1212U
Astronomy and Astrophysics
Astronomy
1
Positional Data, Astrographic Zones, Surveys
Scientific paper
The AC 2000.2 is a revised version of the 1997 release of the AC 2000 (Cat. ). It was decided that the availability of an improved reference catalogue and the inclusion of photometry from the Tycho-2 catalogue would be sufficient to warrant a complete re-reduction of the data and a new distribution of the catalogue. The AC 2000.2 catalog contains positions of 4,621,751 stars at the average epoch of plate exposures for each star (average 1907). (14 data files).
Corbin Thomas E.
Fabricius Claus
Hoeg Erik
Makarov Valeri V.
Urban Sean E.
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