Three‐dimensional Numerical Experimentation on the Core Helium Flash of Low‐Mass Red Giants

descriptionPublicationkeyboard_double_arrow_right Article 01 Mar 2006 English Publisher:American Astronomical SocietyJournal:The Astrophysical Journal, volume 639, pages 405-415 (issn: 0004-637X, eissn: 1538-4357,

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Authors: Dearborn, David S. P.; Lattanzio, John C.; Eggleton, Peter P.;

doi: 10.1086/499263

Three‐dimensional Numerical Experimentation on the Core Helium Flash of Low‐Mass Red Giants

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Abstract

We model the core helium flash in a low-mass red giant using Djehuty, a fully three-dimensional (3D) code. The 3D structures were generated from converged models obtained during the one-dimensional (1D) evolutionary calculation of a 1 M☉ star. Independently of which starting point we adopted, we found that after some transient relaxation the 3D model settled down with a briskly convecting He-burning shell that was not very different from what the 1D model predicted.

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