Study of variability in extragalactic radio sources at 22 GHz and 44 GHz

Details Study of variability in extragalactic radio sources at 22 GHz and 44 GHz Study of variability in extragalactic radio sources at 22 GHz and 44 GHz

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983stin...8423549b&link_type=abstract

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Physics

Extragalactic Radio Sources, Quasars, Radio Frequencies, Variability, Dimensions, Magnetic Fields, Nonthermal Radiation, Telescopes

Scientific paper

Observations were made of the quasars 3C 273 and OV 236, the radio galaxy Cen A and nonthermal radio source in the Galactic Center at 22 and 44 GHz, in order to study the short and long term variability of these objects. The radio sources Virgo A, G 298.2-0.3 and Jupiter were used as calibration sources. The observations were made during a period of two years and a half with the Itapetiga radio telescope. The radio sources Sgr A, OV 236 and 3C 273 have shown long period variability in 22 GHz. Short period variability was also detected at both 22 and 44 GHz.

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