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He-accreting WDs as SNe Ia Progenitors

Published online by Cambridge University Press:  17 January 2013

Luciano Piersanti
Affiliation:
INAF - Osservatorio Astronomico di Teramo, via Mentore Maggini, snc, 64100, Teramo, ITALY email: piersanti@oa-teramo.inaf.it, straniero@oa-teramo.inaf.it
Amedeo Tornambé
Affiliation:
INAF - Osservatorio Astronomico di Roma, via di Frascati, 33, 00040, Monteporzio Catone, ITALY email: tornambe@oa-teramo.inaf.it
Lev Yungelson
Affiliation:
Institute of Astronomy, Moscow, RUSSIA email: lev.yungelson@gmail.com
Oscar Straniero
Affiliation:
INAF - Osservatorio Astronomico di Teramo, via Mentore Maggini, snc, 64100, Teramo, ITALY email: piersanti@oa-teramo.inaf.it, straniero@oa-teramo.inaf.it
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Abstract

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We investigate the thermal response of CO WDs accreting He-rich matter directly from their companions in binary systems. Our results suggest that the He-channel cannot provide progenitors for the majority of “normal” SNe Ia.

Type
Contributed Papers
Copyright
Copyright © International Astronomical Union 2013

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