Catalogues of declinations and proper motions of 36 Belgrade zenith stars

Astronomy and Astrophysics – Astrophysics

Scientific paper

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Astrometry, Astronomical Catalogs, Star Distribution, Stellar Motions, Declination, Error Analysis

Scientific paper

Using observations made with the Belgrade zenith telescope in the period 1960.0-1981.0, catalogs (in three systems) of the declination and proper motions in declination of 36 zenith stars were calculated for the equinox and epoch of 1970.0. Analyses show that, relatively, the most accurate are the system 1 declinations (BZS1 70). The declination systems of the present catalogs are in good agreement with the corresponding FK4 system. But the system of proper motions in declination is less comparable with the FK4 system. It follows that the Belgrade zenith telescope is capable of yielding star declinations with relatively high precision (currently about 0.22 arcsec).

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