The JPL 1989-3 extragalactic radio source catalog.

Details The JPL 1989-3 extragalactic radio source catalog. The JPL 1989-3 extragalactic radio source catalog.

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989itn.....2...25s&link_type=abstract

IERS Tech. Notes, No. 2, p. 25 - 30

Physics

1

Radio Sources: Catalogues

Scientific paper

Radio source position catalog JPL 1989-3 results from a fit to 8230 delay + delay rate pairs of dual-frequency VLBI observations involving the DSN stations in California, Australia and Spain. The origin of right ascension is fixed by adopting the usual fixed value of RA (3C 273) the Earth-fixed frame is fixed by fixing the position of the Goldstone 70-m antenna DSS 14. A new set of station coordinates is estimated for each of the 64 observing sessions spanning the period October 1978 to November 1988.

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