Prompt Chandra Observations of Nearby Core-collapse Supernovae

Details Prompt Chandra Observations of Nearby Core-collapse Supernovae Prompt Chandra Observations of Nearby Core-collapse Supernovae

Sep 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005cxo..prop.1952l&link_type=abstract

Chandra Proposal ID #07500185

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Chandra Proposal Id #07500185

Scientific paper

We propose to continue our studies of Type II and Type Ib/c supernovae (SNe). Our work on five previous SNe has shown that Chandra spectra can reveal details of the star's pre-SN evolution and of the interaction of the circumstellar matter and the SN ejecta (which is similar to the GRB afterglow phase) which cannot be obtained from any other wavelength regime. Our X-ray spectra of 1998S and 2003bg revealed a wealth of heavy element over-abundances (O, Ne, Mg, Al, Si, S, Ar and Fe) never before seen in the X-ray specra of young SNe. These abundances can constrain progenitor mass. In the years to come, no doubt, a wide variety of SNe will be observed with Chandra, and ultimately a picture will emerge that will substantially deepen our knowledge. We have only begun to scratch the surface.

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