Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1981
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981pazh....7..120t&link_type=abstract
(Pis'ma v Astronomicheskii Zhurnal, vol. 7, Feb. 1981, p. 120-124.) Soviet Astronomy Letters, vol. 7, Jan.-Feb. 1981, p. 65-67.
Astronomy and Astrophysics
Astronomy
Astrometry, Astronomical Catalogs, Data Reduction, Reference Stars, Star Distribution, Least Squares Method, Position (Location)
Scientific paper
A method is presented for using information gained in observations of uncatalogued stars for the determination of the instrumental parameters necessary for the improvement of differential star catalogs. The method involves the simultaneous least-squares adjustment of series of position measurements of the same reference and uncatalogued stars obtained on different nights. It is shown that if the same uncatalogued stars are observed repeatedly, a preassigned level of accuracy may be obtained by the use of a smaller number of reference stars than in classical reduction methods. Possible applications of the joint-reduction method include the derivation of relative star positions from meridian circle observations.
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