Extragalactic Binaries as Core-Collapse Supernova Progenitors

Details Extragalactic Binaries as Core-Collapse Supernova Progenitors Extragalactic Binaries as Core-Collapse Supernova Progenitors

Jan 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005hia....13..469v&link_type=abstract

Highlights of Astronomy, Vol. 13, as presented at the XXVth General Assembly of the IAU - 2003 [Sydney, Australia, 13 - 26 July

Astronomy and Astrophysics

Astronomy

Scientific paper

Binary star systems are likely the progenitors of many core-collapse (Type II Type Ib/c) supernovae (SNe). In this paper we present observational investigations using ground-based and Hubble Space Telescope optical imaging and radio monitoring of SNe and their environments which either indicate or attempt to constrain the possible binary nature of the SN progenitors. For example from radio observations with the Very Large Array of the Type II-linear SN 1979C in M100 we conclude that the progenitor was possibly in a massive highly eccentric binary similar to the VV Cephei systems. The Type IIb SN 1993J in M81 is presumed to have a massive progenitor in an interacting binary systemand from Hubble imaging we cannot yet constrain the nature of the presumed massive blue companion. We will present additional results for other Type Ib/c and II SNe.

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