Rapid flux variations in compact radio sources - A shell model

Details Rapid flux variations in compact radio sources - A shell model Rapid flux variations in compact radio sources - A shell model

Jun 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987acaps...7....1q&link_type=abstract

(Acta Astrophysica Sinica, vol. 7, no. 1, 1987, p. 1-7) Chinese Astronomy and Astrophysics (ISSN 0275-1062), vol. 11, June 1987,

Astronomy and Astrophysics

Astronomy

Astronomical Models, Light Speed, Radio Sources (Astronomy), Relativistic Effects, Relativistic Velocity, Centimeter Waves, Flux Density, Galactic Nuclei, Quasars, Variability

Scientific paper

In this paper, the flux variations of a shell whose expansion and bulk-motion are both at relativistic speeds are discussed. It is shown that superluminal flux variations can be produced even if the Lorentz factors of expansion and bulk-motion take moderate values (2-3), and that this kind of shell model could be significant for interpreting very rapid flux variations at centimeter wavelengths (time scale of 1-10 days) in some radio-variable sources.

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