The Progenitors of Thermonuclear Supernovae

Details The Progenitors of Thermonuclear Supernovae The Progenitors of Thermonuclear Supernovae

May 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009aipc.1111..259p&link_type=abstract

PROBING STELLAR POPULATIONS OUT TO THE DISTANT UNIVERSE: CEFALU 2008, Proceedings of the International Conference. AIP Conferen

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Supernova Remnants, Fusion Reactors, Star Formation

Scientific paper

In the framework of the rotating Double Degenerate Scenario for type Ia Supernovae progenitors, we show that the dichotomy between explosive events in early and late type galaxies can be easily explained. Assuming that more massive progenitors produce slow-decline (high-luminosity) light curve, it comes out that, at the current age of the Universe, in late type galaxies the continuous star formation provides very massive exploding objects (prompt component) corresponding to slow-decline (bright) SNe; on the other hand, in early type galaxies, where star formation ended many billions years ago, only low mass ``normal luminosity'' objects (delayed component) are present.

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