期刊
ASTROPHYSICAL JOURNAL LETTERS
卷 705, 期 2, 页码 L138-L142出版社
IOP PUBLISHING LTD
DOI: 10.1088/0004-637X/705/2/L138
关键词
stars: AGB and post-AGB; stars: evolution; supernovae: general; supernovae: individual (SN2008ha, SN2008S)
资金
- Padova Citta delle Stelle prize by the City of Padua
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.
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