The End of Amnesia: Measuring the Metallicities of Type Ia SN Progenitors with Manganese Lines in Supernova Remnants

Details The End of Amnesia: Measuring the Metallicities of Type Ia SN Progenitors with Manganese Lines in Supernova Remnants The End of Amnesia: Measuring the Metallicities of Type Ia SN Progenitors with Manganese Lines in Supernova Remnants

2009-02-02

arxiv.org/abs/0902.0397v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

4 pages, 1 figure, Proceedings of 'Probing Stellar Populations out to the Distant Universe'. September 15-19 2008, Cefalu, Sic

Scientific paper

The Mn to Cr mass ratio in supernova ejecta has recently been proposed as a tracer of Type Ia SN progenitor metallicity. We review the advantages and problems of this observable quantity, and discuss them in the framework of the Tycho Supernova Remnant. The fluxes of the Mn and Cr Kalpha lines in the X-ray spectra of Tycho observed by the Suzaku satellite suggests a progenitor of supersolar metallicity.

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