Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985esasp.234..247d&link_type=abstract
In ESA The European Astrometry Satellite HIPPARCOS: Scientific Aspects of the Input Catalog Preparation p 247-249 (SEE N86-1838
Astronomy and Astrophysics
Astronomy
2
Celestial Reference Systems, Extragalactic Radio Sources, Hipparcos Satellite, Radio Emission, Radio Stars, Stellar Radiation, Very Large Array (Vla), Position (Location), Radio Astronomy, Stellar Rotation, Very Long Base Interferometry
Scientific paper
Use of precise radio positions for a large number of stars from the Very Large Array for HIPPARCOS is proposed. From the emission of 100 stars relative to background extragalactic radio sources, the HIPPARCOS reference frame can be related statistically to the radio reference frame at the fraction of a mas level. Using radio stars, the two principal problems of the linking process, i.e., determining residual rotation and position zero point, can be solved. Techniques, and results from measurements are discussed. The lack of observations in the Southern Hemisphere is considered.
Devegt C.
Florkowski D. R.
Johnston Ken J.
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