Synchrotron thermal instabilities in extended extragalactic radio sources

Details Synchrotron thermal instabilities in extended extragalactic radio sources Synchrotron thermal instabilities in extended extragalactic radio sources

Jun 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990mnras.244..530b&link_type=abstract

Monthly Notices of the Royal Astronomical Society (ISSN 0035-8711), vol. 244, June 1, 1990, p. 530-541.

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Computational Astrophysics, Extragalactic Radio Sources, Magnetohydrodynamic Stability, Synchrotron Radiation, Thermal Instability, Magnetosonic Resonance, Particle Acceleration, Relativistic Particles

Scientific paper

The thermal instability of a magnetized plasma produced by the synchrotron emission of relativistic electrons is studied, discussing its possible connection with the filamentary structures observed in the lobes of Cygnus A and in the jet of M87. In addition to the classical thermal condensation mode, it is found that slow magnetosonic waves can be driven unstable. Both modes tend to create structures that are aligned with the background magnetic field. The behavior of the instability is analyzed in different conditions appropriate to the environments under study and the main astrophysical implications are discussed.

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