Variability of extragalactic decimeter radio sources

Details Variability of extragalactic decimeter radio sources Variability of extragalactic decimeter radio sources

Oct 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978azh....55..953s&link_type=abstract

(Astronomicheskii Zhurnal, vol. 55, Sept.-Oct. 1978, p. 953-958.) Soviet Astronomy, vol. 22, Sept.-Oct. 1978, p. 544-547. Trans

Astronomy and Astrophysics

Astronomy

12

Decimeter Waves, Extragalactic Radio Sources, Radiant Flux Density, Relativistic Particles, Synchrotron Radiation, Astronomical Models, Radio Astronomy, Radio Emission, Ultrahigh Frequencies, Variability

Scientific paper

All presently known extragalactic radio sources that are variable at decimeter wavelengths (greater than 30 cm) are viewed in projection against large-scale features of galactic radio emission: loops, spurs, and ridges. The probability is less than 1 in 10 million that the coincidence is accidental. The flux variability of the sources is attributable to scintillation (in the radiation-focusing mode) caused by irregularities in the loop structures on a scale of the order of 100 million km. Opportunities for testing this hypothesis are discussed.

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