Interstellar scintillation of compact extragalactic radio sources

Details Interstellar scintillation of compact extragalactic radio sources Interstellar scintillation of compact extragalactic radio sources

Feb 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998mnras.294..307w&link_type=abstract

Monthly Notices of the Royal Astronomical Society, vol. 294, p. 307

Astronomy and Astrophysics

Astronomy

95

Extragalactic Radio Sources, Interstellar Matter, Quasars, Radio Galaxies, Scintillation, Scattering, Point Sources

Scientific paper

The recent discovery of radio variability of a quasar on short time-scales (hours) prompts us to examine what is expected in respect of the interstellar scintillation of very compact, extragalactic radio sources. We find that large-amplitude, rapid variability is predicted at commonly observed radio frequencies (1-20 GHz) over the vast majority of the extragalactic sky. As a guide to assist observers in understanding their data, we demonstrate simple techniques for predicting the effects of interstellar scintillation on any extragalactic source.

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