A VLA survey of strong radio sources

Details A VLA survey of strong radio sources A VLA survey of strong radio sources

Jul 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981aj.....86.1010u&link_type=abstract

Astronomical Journal, vol. 86, July 1981, p. 1010-1035.

Astronomy and Astrophysics

Astronomy

106

Antenna Arrays, Centimeter Waves, Radio Sources (Astronomy), Spectral Resolution, Astronomical Models, Extragalactic Radio Sources, Quasars, Radio Galaxies, Radio Telescopes, Tables (Data), Very Large Array (Vla)

Scientific paper

The Very Large Array (VLA) is used to survey the structures of 360 strong high-frequency radio sources at 1480 and 4900 MHz. Of these, 250 are found to contain at least 90% of their flux density in an unresolved component, while the remaining 110 sources are considered to be resolved. Positions and structural information for these sources are given, as are maps of 20 of the resolved objects. The VLA data are combined with other structural information available for sources listed in the Parkes and S surveys in order to study a complete sample of 444 extragalactic objects having flux densities greater than 1 Jy at 5 GHz. It is noted that in general the unresolved radio galaxies have steeper spectra than both the resolved and the unresolved quasars. A lack of quasars having radio sources with large linear diameters beyond z equal to approximately 1 is noticed.

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