Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7..125r&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Feb. 1981, p. 125-128.) Soviet Astronomy Letters, vol. 7, Jan.-Feb. 1981, p. 68-70.
Astronomy and Astrophysics
Astronomy
Astrography, Astrometry, Astronomical Photography, Celestial Bodies, Photographic Plates, Automatic Test Equipment, Image Processing, Optical Scanners
Scientific paper
A working model of an automatic device for measuring astronomical plates has been developed and built which performs the functions of photometry and image diameter and coordinate determination. The model consists of a system for obtaining an accurate position, a scanner and a small computer, and is capable of operating in the automatic and semiautomatic modes. The image coordinates for a point object may be determined with an rms error of less than 1 micron, with an average time for object search and measurement of 20-30 sec. Measurements of the phases of the asteroid 39 Laetitia have demonstrated that the instrument is capable of measurements with precisions exceeding those in present star catalogs. The instrument is thus suitable for the automatic preparation of photographic reference star catalogs.
Rizvanov N. G.
Sergeev Aleksandre V.
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