UV Studies of a Core Collapse Supernova

Details UV Studies of a Core Collapse Supernova UV Studies of a Core Collapse Supernova

Jul 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008hst..prop11654k&link_type=abstract

HST Proposal ID #11654. Cycle 17

Physics

Scientific paper

Observations of the UV spectrum of core collapse SNe hold unique information about nucleosynthesis, the mass loss history, shock physics and dust formation in the explosion on massive stars. This proposal aims at a detailed study of a bright core collapse SN, discovered by any of the many ongoing surveys, either a Type IIP, IIn or Ibc supernova. We will address the role of circumstellar interaction and mass loss through CNO lines in the UV, the nature of dust formation from UV line profiles and use the UV continuum as a diagnostic of non-thermal emission from the shock. The overall goal of our team is to achieve a better understanding of these objects by combining HST data with complementary ground-based observations. We have used HST to obtain UV spectra from the explosion to the nebular phase. Over the past decade, we have conducted studies of nearby SNe with HST, and we have published an extensive series of papers. When Nature provides a bright candidate, HST should be ready to respond.;

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