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2009ApJ...705L.138P - Astrophys. J., 705, L138-L142 (2009/November-2)
EC-SNe from super-asymptotic giant branch progenitors: theoretical models versus observations.
PUMO M.L., TURATTO M., BOTTICELLA M.T., PASTORELLO A., VALENTI S., ZAMPIERI L., BENETTI S., CAPPELLARO E. and PATAT F.
Abstract (from CDS):
Using a parametric approach, we determine the configuration of super-asymptotic giant branch (super-AGB) stars at the explosion as a function of the initial mass and metallicity, in order to verify if the electron-capture supernova (EC-SN) scenario involving a super-AGB star is compatible with the observations regarding SN2008ha and SN2008S. The results show that both the supernovae (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 subluminous SNe is also discussed.
Abstract Copyright: ∼
Journal keyword(s): stars: AGB and post-AGB - stars: evolution - supernovae: general - supernovae: individual (SN2008ha, SN2008S)
Simbad objects: 8
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