A Radio Reference Frame Based on 15 Years of Mark-III VLBI Observations.

Details A Radio Reference Frame Based on 15 Years of Mark-III VLBI Observations. A Radio Reference Frame Based on 15 Years of Mark-III VLBI Observations.

May 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994aas...184.2808f&link_type=abstract

American Astronomical Society, 184th AAS Meeting, #28.08; Bulletin of the American Astronomical Society, Vol. 26, p.901

Astronomy and Astrophysics

Astronomy

Scientific paper

An almost inertial reference frame can be defined using extragalactic radio sources due to their inherent positional stability. We present a catalog of 446 compact radio sources distributed uniformly over the sky. Positions are derived from a general solution using all available and relevant dual frequency Mark-III VLBI bandwidth synthesis observations made from late 1979 through 1993. The positional accuracy is at the 0.5 milliarcsecond level. Latest results of the catalog itself as well as the ongoing process of maintenance and improving this inertial reference frame will be presented.

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