Plasma Turbulence and Radio Emission from Supernova 1993J

Details Plasma Turbulence and Radio Emission from Supernova 1993J Plasma Turbulence and Radio Emission from Supernova 1993J

May 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997aas...190.1205r&link_type=abstract

American Astronomical Society, 190th AAS Meeting, #12.05; Bulletin of the American Astronomical Society, Vol. 29, p.793

Astronomy and Astrophysics

Astronomy

Scientific paper

The initial spectrum of Supernova 1993J, which exploded in the nearby spiral M81, contained hydrogen lines and therefore was classified as a type II supernova. However, subsequent disappearance of hydrogen lines and appearance of helium lines made it similar to a type Ib supernova. Radio emission was detected from SN 1993J shortly after the first peak in optical brightness. In this paper we present a model for the observed radio radiation that involves the interaction of a collisionless shock front generated by the supernova ejecta and a stellar wind produced by the progenitor supergiant.

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