Diffusive acceleration of electrons in supernova 1987A

Details Diffusive acceleration of electrons in supernova 1987A Diffusive acceleration of electrons in supernova 1987A

Aug 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aipc..264..436b&link_type=abstract

Particle acceleration in cosmic plasmas. AIP Conference Proceedings, Volume 264, pp. 436-444 (1992).

Physics

Cosmic Rays, Supernovae, Shock Waves And Discontinuities

Scientific paper

The reappearance of radio emission from SN 1987A in July 1990 is discussed. We propose a model involving synchrotron radiation from electrons which are accelerated by the expanding supernova shock wave. From the observed delay in which the switch-on between 843 MHz and 4.8 GHz we derive the mean free path of the electrons and the time at which the acceleration process must have started, presumably as a result of the shock encountering a density jump in the circumstellar material.

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