Revealing the Progenitors of Type Ibc Supernovae through Near-IR Spectroscopy

Details Revealing the Progenitors of Type Ibc Supernovae through Near-IR Spectroscopy Revealing the Progenitors of Type Ibc Supernovae through Near-IR Spectroscopy

Feb 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008noao.prop..319s&link_type=abstract

NOAO Proposal ID #2008A-0319

Computer Science

Scientific paper

Twenty years have passed since the peculiar class of SNe Ibc were recognized as massive stellar explosions. However, it is only recently that SNe Ibc have enjoyed a surge of interest thanks to their association with GRBs. Today, the most crucial question is whether SNe Ibc and GRB-SNe arise from similar or distinct progenitor systems (e.g. single Wolf-Rayet or binary helium stars). Progress requires a deeper understanding of the progenitors of local SNe Ibc. In particular, detailed multi-wavelength studies of the ejecta (including helium mass and dust formation) and the structure and composition of the circumstellar environment (< 10^18 cm; shaped directly by the progenitor system) can reveal clues to their progenitors, and in parallel with on-going GRB studies, will shed light on their relation to GRB progenitors.

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