Mature Supernova Remnants in the Large Magellanic Cloud

Details Mature Supernova Remnants in the Large Magellanic Cloud Mature Supernova Remnants in the Large Magellanic Cloud

Sep 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000cxo..prop..621b&link_type=abstract

Chandra Proposal ID #02500872

Physics

Chandra Proposal Id #02500872

Scientific paper

Mature (Sedov-phase) supernova remnants (SNRs) offer an excellent opportunity to study shock physics and SNR/ISM interactions with minimal interference from ejecta and local ISM modification. However, such remnants are difficult to observe in the Galaxy. We propose to observe three remnants in the Large Magellanic Cloud (LMC) likely to be in the Sedov phase. LMC remnants have low extinction, known distance, and relatively small angular size. Chandra's spatial resolution will show the differences in the spectra expected near the shock. We will perform spatially resolved spectroscopy on these objects using our Sedov models to determine ion and electron temperatures, and ionization timescale and temperature gradients. This should be a stringent test for the Sedov X-ray models.

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