Astronomy and Astrophysics – Astronomy
Scientific paper
May 1982
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982esasp.177...65w&link_type=abstract
In ESA The Sci. Aspects of the Hipparcos Space Astrometry Mission p 65-68 (SEE N82-30146 20-88)
Astronomy and Astrophysics
Astronomy
2
Astrometry, Celestial Reference Systems, Esa Satellites, European Space Programs, Radio Stars, Very Long Base Interferometry, Angular Distribution, Astronomical Catalogs, Radio Emission, Reference Stars, Stellar Magnitude, Stellar Motions
Scientific paper
The use of radio star dual frequency emission to relate Hipparcos and VLBI reference frames is discussed. The physical basis of the connection is examined, using optical and radio data. Thirty stars brighter than magnitude 11 are identified as possible transfer stars, after applying brightness, angular separation, magnitude variation, and radio interferometric sensitivity criteria to 143 stars in the Wendker 1981 catalog. For six of the stars chosen, ground based optical observation of position and proper motion are needed to meet Hipparcos input catalog specifications.
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