Prompt Chandra Observations of Nearby Supernovae

Details Prompt Chandra Observations of Nearby Supernovae Prompt Chandra Observations of Nearby Supernovae

Sep 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002cxo..prop.1216l&link_type=abstract

Chandra Proposal ID #04500588

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Chandra Proposal Id #04500588

Scientific paper

We propose to continue our studies of Type II and Type Ib/c supernovae (SNe). Our work on SNe 1999em and 1998S 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 revealed for the first time in a young SN a wealth of heavy element over-abundances (Ne, Al, Si, S, Ar, and Fe) which could be used to constrain the progenitor's 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. With SN 1998S we have only begun to scratch the surface.

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