a Study of the Old Supernovae SN1993J, SN1995N, and SN1996CB

Details a Study of the Old Supernovae SN1993J, SN1995N, and SN1996CB a Study of the Old Supernovae SN1993J, SN1995N, and SN1996CB

Sep 1999

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1999cxo..prop...84s&link_type=abstract

Chandra Proposal ID #01500526

Other

Chandra Proposal Id #01500526

Scientific paper

We propose 50 ks ACIS-I observations of three extragalactic supernovae aged 1000-2000 days post-explosion in order to study the interaction of supernova ejecta with circumstellar matter. Each target presents unique observational opportunities: SN~1993J, whose unprecedented x-ray, radio, and optical evolution may reflect a complex binary interaction; SN~1995N, the only member of the class of peculiar Type~II events to be observed at x-ray energies at such an early evolutionary phase; and SN~1996cb, the only other SN 1993J-like Type~IIb available for x-ray study. Data will be used to probe the dynamics of the interaction region; examine the structure of the supernova ejecta and the circumstellar medium; and to study the late stages of stellar evolution.

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