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[vsnet-campaign-nova 176] On helium novae (Starrfield)

On helium novae (Starrfield)

    We have received the following information from Prof. Sumner Starrfield:

I do not want to get involved in the discussion about
V445 but I do want to point out that Ron Taam and students
looked at the consequences of helium accretion onto white
dwarfs a long time ago. They found a detonation and a quite
extreme explosion - if I remember correctly.  It would not
look like this object.  The current model for a super soft
source is steady burning of hydrogen to helium at the surface
of a white dwarf and Mariko Kato predicts that this will become a SN Ia.
all the best
Sumner

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