Radio supernovae

Details Radio supernovae Radio supernovae

Nov 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982sscr.conf..281w&link_type=abstract

In: Supernovae: A survey of current research; Proceedings of the Advanced Study Institute, Cambridge, England, June 29-July 10,

Astronomy and Astrophysics

Astronomy

12

Radio Sources (Astronomy), Supernovae, Centimeter Waves, Light Curve, Milky Way Galaxy, Radiant Flux Density, Size (Dimensions), Spectral Energy Distribution, Stellar Mass, Stellar Models, Supernova Remnants

Scientific paper

The properties of radio supernovae are surveyed, and results of radio observations of SN1979c and SN1980k are presented and discussed. The physical size, spectral power, and spectral emissivity of the three supernova which have been measured in the radio range are computed and compared with other types of radio sources. These detected radio supernovae are 1-2 orders of magnitude stronger than the brightest supernova remnant known. From the flux density, it is apparent that they are short-lived and are unlikely to have occurred in the Galaxy in the past 20 to 30 years. The radio 'light curves' for SN1979c and SN1980k are shown and discussed. Their main features are their extremely sharp turn-on, the delays between 6 and 20 cm, the differing delays before turn-on, and the resumption, after a period of relative stability, of flux density increases at 6 cm and even more strongly at 20 cm for 1979c. Models accounting for these features are compared.

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