A compilation catalogue of positions of extragalactic radio sources

Details A compilation catalogue of positions of extragalactic radio sources A compilation catalogue of positions of extragalactic radio sources

Feb 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989a%26a...210..455w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 210, no. 1-2, Feb. 1989, p. 455-461.

Astronomy and Astrophysics

Astrophysics

11

Astrometry, Astronomical Catalogs, Extragalactic Radio Sources, Position (Location), Accuracy, Error Analysis, Very Long Base Interferometry

Scientific paper

This paper describes the construction of a compilation catalog, from observation catalogs of extragalatic radio sources having positions with internal accuracies of a few milliarcseconds. The catalog lists 42 objects with at least three independent observations each. On the average its estimated accuracy is 0.7 mas in right ascension and 1.0 mas in declination compatible with the calculated mean differences between observation catalogs and the compilation catalog. At the level of 0.5 mas the current version is insensitive to addition, deletion or exchange of one of the high precision catalogs.

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