A New Look at N103B with the Chandra HETGS

Details A New Look at N103B with the Chandra HETGS A New Look at N103B with the Chandra HETGS

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aps..aprn17039m&link_type=abstract

American Physical Society, April Meeting, Jointly Sponsored with the High Energy Astrophysics Division (HEAD) of the American As

Astronomy and Astrophysics

Astrophysics

Scientific paper

Using the Chandra HETGS, we observed the young Supernova Remnant N103B in the Large Magellanic Cloud as part of the Guaranteed Time Observation program. N103B has a small overall extent and shows substructure on arcsecond spatial scales. The spectrum, based on 116 ks of data, reveals clear Mg, Ne, and O emission lines. Due to the elemental abundances, we are able to reject suggestions that N103B arose from a Type Ia supernova, and conclude that it resulted instead from core collapse in a massive progenitor as indicated in earlier radio and optical studies. This significantly changes previous conceptions of the young SNR population in the LMC.

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