Young Ejecta-Dominated Galactic Supernova Remnants

Details Young Ejecta-Dominated Galactic Supernova Remnants Young Ejecta-Dominated Galactic Supernova Remnants

Sep 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001cxo..prop..838r&link_type=abstract

Chandra Proposal ID #03500143

Computer Science

Chandra Proposal Id #03500143

Scientific paper

We propose a spectro-imaging study of two Galactic supernova remnants (SNRs), G337.2-0.7 and G309.2-0.6, recently identified as being young and ejecta-dominated by their ASCA X-ray spectra. The Chandra observations will be critical for determining the spatial distribution of different X-ray emitting materials, e.g. blast-wave, pulsar, synchrotron nebula, and ejecta knots. Given the Si-rich nature of both these SNRs, we expect to see the nucleosynthetic products of explosive O and Si-burning in their ejecta. Additionally, both SNRs contain compact sources whose nature is currently unknown. Only Chandra has sufficient spatial resolution to isolate their position and spectra, thereby distinguishing between a small ejecta knot, a compact stellar remnant or a foreground star.

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