Arcsecond positions for milliarcsecond VLBI nuclei of extragalactic radio sources. II - 207 sources

Details Arcsecond positions for milliarcsecond VLBI nuclei of extragalactic radio sources. II - 207 sources Arcsecond positions for milliarcsecond VLBI nuclei of extragalactic radio sources. II - 207 sources

Aug 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983aj.....88.1138m&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 88, Aug. 1983, p. 1138-1145.

Astronomy and Astrophysics

Astronomy

20

Astrometry, Extragalactic Radio Sources, Very Long Base Interferometry, Astronomical Catalogs, Astronomical Coordinates

Scientific paper

Time delay and fringe frequency measurements at 2.29 GHz have been obtained with VLBI on baselines of about 10,000 km, in order to determine the positions of milliarcsec nuclei in 207 extragalactic radio sources. Accuracy ranges are estimated to lie between 0.1 and 1.0 arcsec in both right ascension and declination, with all sources having uncertainties of less than 4 arcsec in both coordinates. These sources constitute part of an all-sky VLBI catalog of milliarcsec radio sources, for 752 of which arcsec positions have thus far been determined.

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