Astrographic Catalogue (AC), -02/+04deg (Lacroute+ 1981)

Details Astrographic Catalogue (AC), -02/+04deg (Lacroute+ 1981) Astrographic Catalogue (AC), -02/+04deg (Lacroute+ 1981)

Jan 1996

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1996ycat.1022....0l&link_type=abstract

VizieR On-line Data Catalog: I/22A. Originally published in: 1974BICDS...6...38L; 1977BICDS..13....2V; 1981BICDS..21....2L

Astronomy and Astrophysics

Astronomy

Positional Data, Astrographic Zones, Magnitudes: Photographic

Scientific paper

The "Carte de Ciel" (or "Astrographic Catalogue") is a catalogue of star positions and magnitudes, determined on the photographic plates taken by the normal astrographs which are installed in observatories of various latitudes, as a world-wide astronomical project (see Eichhorn, 1974, p279). The catalogue is divided into 22 declination zones, each of which is assigned to each observatory, e.g., a zone from +18 to +24 degrees is to Paris observatory. Each observatory has taken photographs of 2 deg x 2 deg area in and covering each zone, measured the X,Y coordinates of star images on the photographic plates, and published the results as the printed catalogues. The present catalogue is the results of reduction of these X,Y coordinates into right ascension and declination values, for declination zones of +05 to +31, by using AGK2/3 catalogue as the reference. (1 data file).

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