Catalogue of declinations of 307 bright stars in the zone +65° - +90° (BCAD).

Details Catalogue of declinations of 307 bright stars in the zone +65° - +90° (BCAD). Catalogue of declinations of 307 bright stars in the zone +65° - +90° (BCAD).

May 1991

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991bobeo.143....1m&link_type=abstract

Bulletin Astronomique de Belgrade, No. 143, p. 1 - 20

Astronomy and Astrophysics

Astronomy

2

Star Catalogues: Bright Stars, Star Catalogues: Declinations

Scientific paper

The catalogue of declinations of 307 bright stars in the zone +65° - +90° (BCAD) for the equinoxes B1950.0 and J2000.0 and epoch of observation is presented. The declinations were observed with the Vertical Circle of the Belgrade Observatory by absolute method from 1976 to 1980. All stars were observed at both culminations. The mean error of a single zenith distance observation is ɛz2 = (0″42)2 + (0″23 tan z)2 and the mean error of the catalogue declinations is ɛδ = ±0″13. The mean epoch of observation is 1978.62. The mean systematic differences with respect to the fundamental catalogues FK4 and FK5 are: BCAD-FK4 = -0″01 and BCAD-FK5 = +0″05. The systematic differences Δδα and Δδδ with respect to these catalogues are also given. The system of the catalogue BCAD is close to the FK5 system.

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