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08 February 2025
 
  » arxiv » astro-ph/0107042

 Article overview



Is KPD 1930+2752 a good SN Ia progenitor?
E. Ergma ; A. V. Fedorova ; L. R. Yungelson ;
Date 3 Jul 2001
Subject astro-ph
AbstractWe investigate the evolution of a binary system which initially has an orbital period of 2^h 17^m and contains a 0.5 M_sun helium star with a white dwarf companion of 0.97 M_sun, similarly to suggested SN Ia candidate progenitor KPD 1930+2752. We show that the helium star completes core helium burning and becomes a white dwarf before components merge. The most probable outcome of the merger of components is formation of a massive white dwarf, despite initially the total mass of the system is above the Chandrasekhar mass.
Source arXiv, astro-ph/0107042
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