Astronomy and Astrophysics – Astronomy
Scientific paper
Dec 1990
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990sdsr.rept...31.&link_type=abstract
In Minister für Wissenschaft und Forschung des Landes Nordrhein-Westfalen, Subject Space 2: A Documentation on Space Research in
Astronomy and Astrophysics
Astronomy
Astrometry, Extragalactic Radio Sources, Hipparcos Satellite, Inertial Reference Systems, Stellar Motions, Calibrating, Double Stars, Galactic Clusters, Milky Way Galaxy, Quasars
Scientific paper
Astrometry contributions were made during the first mission of the European satellite Hipparcos. The contributions were aimed at establishing an inertial reference system. Additionally, the contributions provide data for the registration of the components of double stars, data concerning the Milky Way and galactic clusters, and data for the connection between the preliminary reference and extragalactic objects. The relative motion of Hipparcos stars, with respect to quasars, was determined for the extragalactic calibration of the Hipparcos system.
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