Astrometric star catalogues as combination of Hipparcos/Tycho catalogues with ground-based observations

The successful ESA mission Hipparcos provided very precise parallaxes positions and proper motions of many stars in optical wavelength. Therefore it is a primary representation of International Celestial Reference System in this wavelength. However, the shortness of the mission (less than four years...

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Bibliographic Details
Main Author: Vondrák J.
Format: Article
Language:English
Published: Astronomical Observatory, Department of Astronomy, Belgrade 2004-01-01
Series:Serbian Astronomical Journal
Subjects:
Online Access:http://www.doiserbia.nb.rs/img/doi/1450-698X/2004/1450-698X0468001V.pdf