Characteristics and significance of the Hipparcos and the Tycho catalogues.

Details Characteristics and significance of the Hipparcos and the Tycho catalogues. Characteristics and significance of the Hipparcos and the Tycho catalogues.

Mar 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999pabei..17...25l&link_type=abstract

Prog. Astron., Vol. 17, No. 1, p. 25 - 32

Astronomy and Astrophysics

Astronomy

Star Catalogues: Astrometry, Star Catalogues: Hipparcos, Reference Systems: Astrometry

Scientific paper

The authors summarized the observational and astrometric characteristics of the Hipparcos and Tycho catalogues, which consist of respectively 118218 and 1058332 stars with the five parameters in position, parallax and proper motion as well as the magnitude and the colour indices. The catalogues provide precisely a vast data to construct the accurate optical reference frame. The authors discuss their scientific significance for stellar formation, evolution, mass, size, luminosity and their distribution. They also present the impact on studies of binary star, multiple star and galactic dynamics and kinematics.

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