Astronomy and Astrophysics – Astrophysics
Scientific paper
Aug 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983a%26as...53..181a&link_type=abstract
Astronomy and Astrophysics Supplement Series (ISSN 0365-0138), vol. 53, Aug. 1983, p. 181-214.
Astronomy and Astrophysics
Astrophysics
9
Astrometry, Astronomical Coordinates, Galactic Clusters, Optical Correction Procedure, Schmidt Telescopes, Star Distribution, Astronomical Catalogs, Astronomical Photography, Celestial Reference Systems
Scientific paper
Positions for a total of 3487 stars, scattered over 14 regions, have been determined using the Danish 1.5-m telescope at La Silla. The 14 regions are centred on one of the southern galactic clusters NGC 1981, 2287, 2437, 2451, 2516, 2546, 2547, 2548, 3114, 3532, IC 2391, 2395, 2602 and Trümpler 10. A description of the applied field corrector is given and the reduction of plate measurements is described in detail. Based on three 1.5-m plates for each region, taken on different nights, an internal mean error in one plate position in the range 0.030 to 0.048 seconds of arc has been derived.
Andersen Torben Brender
Reiz Anders
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