2009ApJ...705L.138P

Query : 2009ApJ...705L.138P

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.

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Journal keyword(s): stars: AGB and post-AGB - stars: evolution - supernovae: general - supernovae: individual (SN2008ha, SN2008S)

Simbad objects: 8

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Number of rows : 8
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 AT 2008jd ev 00 54 34.16 -37 38 28.6           ~ 134 1
2 SN 2005E SN* 02 39 14.34 +01 05 55.0     16.8     SNIb/c 128 1
3 M 85 GiP 12 25 24.053 +18 11 27.89   10.2       ~ 678 0
4 SN 2005cz SN* 12 37 27.85 +74 11 24.5     16.0     SNIb 56 1
5 SN 2005cs SN* 13 29 53.37 +47 10 28.2   14.5       SNIIP 450 1
6 SN 2008S ev 20 34 45.33 +60 05 58.4   19.89 18.79 17.93   SNIIn? 253 1
7 SN 2008ha SN* 23 34 52.69 +18 13 35.4           SNIax 203 1
8 SN 2008bk SN* 23 57 50.42 -32 33 21.5           SNIIP 167 2

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