Comparisons of results from Hipparcos with ground-based and radio observations.

Details Comparisons of results from Hipparcos with ground-based and radio observations. Comparisons of results from Hipparcos with ground-based and radio observations.

Jul 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997esasp.402..117x&link_type=abstract

ESA Symposium: Hipparcos - Venice '97, p. 117 - 119

Astronomy and Astrophysics

Astronomy

Radio Stars: Astrometry, Astrometry: Reference Systems, Star Catalogues: Comparisons, Star Catalogues: Hipparcos, Reference Systems: Rotation

Scientific paper

In the linkage between the optical and the radio reference frames the radio stars are the important objects. Using the observations of radio stars with the astrolabes at Shanghai Observatory and the Hipparcos results, the authors study the following terms in this paper: (1) the rotation relations and the systematic differences between the FK5 and Hipparcos catalogues; (2) the comparisons between the results of the ground-based observations obtained at Shanghai Observatory and that of the Hipparcos and radio results; (3) the discussion of the observational errors of the ground-based observations.

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