Circumstellar Interaction Around Supernovae

Details Circumstellar Interaction Around Supernovae Circumstellar Interaction Around Supernovae

2003-01-17

arxiv.org/abs/astro-ph/0301368v1

Astronomy and Astrophysics

Astrophysics

10 pages, to appear in Proc. "From Twilight to Highlight - The Physics of Supernovae" ESO/MPA/MPE Workshop, Garching July 2002

Scientific paper

10.1007/10828549_42

Circumstellar interaction has been observed around all types of massive star supernovae, especially at radio and X-ray wavelengths. The interaction shells in Type Ib/c supernovae appear to be moving rapidly, although SN 1998bw remains the only case for which the evidence points to relativistic expansion. Type IIP supernovae have relatively low mass loss rates, consistent with moderate mass single stars at the ends of their lives. Type IIb and some IIL and IIn supernovae can have strong mass loss leading up to the explosion, which occurs in a star with little H on it. The mass loss may be driven by the luminosity of the late burning stages.

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