Radio structures of B2 quasars at 1415 MHz

Details Radio structures of B2 quasars at 1415 MHz Radio structures of B2 quasars at 1415 MHz

Feb 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979a%26as...35..169f&link_type=abstract

Astronomy and Astrophysics Supplement Series, vol. 35, Feb. 1979, p. 169-177.

Astronomy and Astrophysics

Astronomy

8

Astronomical Maps, Quasars, Radio Astronomy, Ultrahigh Frequencies, Brightness, Radio Sources (Astronomy), Size Determination, Ultraviolet Astronomy

Scientific paper

Radio observations are presented for a sample of quasars selected from the B2 catalog of radio sources. These observations have been made at 1.4 GHz with the Westerbork Synthesis Radio Telescope. The data are compared with previous data obtained at 5 GHz for the same sample. A radio source (1320+29) having very peculiar structure is found. It has a radio structure and a spectral-index behavior which recall the characteristics of a head-tail radio source. A few radio sources, which at 5 GHz were suggested as having a radio structure of type D2, are definitely found to be triple or single as a result of the reported observations. Fourteen radio sources of the original sample which were not detected in the previous 5-GHz observations are now detected and mostly rejected as identifications with the quasar candidates. The redshift-angular size plot for 24 quasars of the sample is presented and briefly discussed.

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