Modelling of the radio burst from SN 1987A

Details Modelling of the radio burst from SN 1987A Modelling of the radio burst from SN 1987A

Oct 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987natur.329..421s&link_type=abstract

Nature (ISSN 0028-0836), vol. 329, Oct. 1, 1987, p. 421-423.

Physics

31

Radio Bursts, Stellar Envelopes, Stellar Models, Stellar Radiation, Supernova 1987A, Magellanic Clouds, Radiation Absorption, Relativistic Electron Beams, Stellar Evolution, Synchrotron Radiation

Scientific paper

The authors propose that the radio emission mechanism for SN 1987A is the same as that proposed for previous type II supernovae, namely, synchrotron emission from a thin shell near the edge of the expanding ejecta. The differences are mainly due to the absence of a thick circumstellar envelope around the progenitor star, Sk -69°202, at least in the line of sight to the supernova. They discuss several possible models for the emission and absorption processes and set limits on the density of a circumstellar envelope.

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