Ground-based astrometric measurements

Details Ground-based astrometric measurements Ground-based astrometric measurements

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989hmps....2..107r&link_type=abstract

In its The Hipparcos Mission. Prelaunch Status. Volume 2: The Input Catalog p 107-114 (SEE N90-13529 05-18)

Astronomy and Astrophysics

Astronomy

Astrometry, Ground Operational Support System, Hipparcos Satellite, Sky Surveys (Astronomy), Stellar Motions, Astronomical Catalogs, Data Acquisition, Data Processing, Data Retrieval, European Space Programs

Scientific paper

The ground based astrometric observations in the scope of the Hipparcos mission are reported. They are applied to improve the knowledge of both position and proper motion of the stars. The stars submitted to the catalog from scientific proposals are overviewed. The choice of efficient methods of obtaining accurate star positions are discussed. The observing and measuring tasks, as well as the difficulties encountered in identifying and retrieving the positions of each of the proposed stars are emphasized.

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