Monitoring Circumstellar Interaction in SN 1986J

Details Monitoring Circumstellar Interaction in SN 1986J Monitoring Circumstellar Interaction in SN 1986J

Sep 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cxo..prop.1456h&link_type=abstract

Chandra Proposal ID #05500466

Computer Science

Chandra Proposal Id #05500466

Scientific paper

SN1986J ranks as one of the most luminous, X-ray bright supernovae ever observed. The X-ray emission is attributed to circumstellar interaction with the dense wind from its red supergiant progenitor. Of 17 supernovae yet detected in X-rays, SN1986J is one of only two followed in X-rays for more than a year. A Cycle 1 Chandra observation provided the first view of the X-ray spectrum, uncontaminated by emission from the host galaxy and from a nearby ultraluminous X-ray source. Compared with ASCA observations taken four years earlier, the Chandra spectrum shows strong evidence for spectral evolution as the supernova dims ~ t(-2.4) . We propose a second Chandra observation of SN1986J, four years later, to monitor the evolving X-ray spectrum of this unique source.

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