EC-SNe from super-AGB progenitors: theoretical models vs. observations

Details EC-SNe from super-AGB progenitors: theoretical models vs. observations EC-SNe from super-AGB progenitors: theoretical models vs. observations

2009-10-04

arxiv.org/abs/0910.0640v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Accepted for publication in ApJL

Scientific paper

Using a parametric approach, we determine the configuration of super-AGB stars at the explosion as a function of the initial mass and metallicity, in order to verify if the EC-SN scenario involving a super-AGB star is compatible with the observations regarding SN2008ha and SN2008S. The results show that both the SNe can be explained in terms of EC-SNe from super-AGB progenitors having a different configuration at the collapse. The impact of these results on the interpretation of other sub-luminous SNe is also discussed.

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