Are the observed filaments in extended radio sources due to synchrotron radiation thermal instabilities?

Details Are the observed filaments in extended radio sources due to synchrotron radiation thermal instabilities? Are the observed filaments in extended radio sources due to synchrotron radiation thermal instabilities?

Nov 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990rmxaa..21..141d&link_type=abstract

Revista Mexicana de Astronomia y Astrofisica, Vol. 21, p. 141 - 144

Astronomy and Astrophysics

Astronomy

Radio Sources: Synchrotron Radiation, Radio Jets: Radiation Mechanisms

Scientific paper

The authors study a model in which the filamentary structure observed in jets and lobes of extended extragalactic radio sources is produced by thermal instabilities driven by the synchrotron-inverse-Compton losses of the expanding plasma assumed to have two gas components (a thermal and a relativistic particle component). The application of the model to the Cen A jet showed that condensations with nonlinear density contrasts ρp/ρo ≍ 2 - 8 are formed and appear to be sufficient to explain the observed bright filaments, where ρp (ρo) is the density at the perturbed (ambient) region.

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