Astronomy and Astrophysics – Astronomy
Scientific paper
Apr 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88..546e&link_type=abstract
Astronomical Journal (ISSN 0004-6256), vol. 88, April 1983, p. 546-558.
Astronomy and Astrophysics
Astronomy
5
Astrometry, Astronomical Catalogs, Astronomical Coordinates, Astronomical Photography, Stellar Motions, Gratings (Spectra), Photographic Plates, Reference Stars, Southern Sky, Stellar Magnitude
Scientific paper
The methods for constructing a catalogue of 20457 star positions for the epoch 1964 between -48° and -54° declination are described. The positions were obtained by the overlap method, and images generated by a coarse diffraction grating were employed to control magnitude-related effects on the positions. A selection of about two faint AC stars per square degree was included to serve as material for the eventual determination of magnitude effects on the AC positions. The standard error of a catalogued position estimate based on two images is 0arcsec.12 in either coordinate.
Eichhorn Heinrich
Googe William D.
Lukac Carl F.
Murphy Kellen J.
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