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07 February 2025
 
  » arxiv » astro-ph/0112039

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Massive Star Mergers: Induced Mixing and Nucleosynthesis
N. Ivanova ; Ph. Podsiadlowski ;
Date 3 Dec 2001
Subject astro-ph
AbstractWe study the nucleosynthesis and the induced mixing during the merging of massive stars inside a common envelope. The systems of interest are close binaries, initially consisting of a massive red supergiant and a main-sequence companion of a few solar masses. We apply parameterized results based on hydrodynamical simulations to model the stream-core interaction and the response of the star in a standard stellar-evolution code. Preliminary results are presented illustrating the possibility of unusual nucleosynthesis and post-merging dredge-up which can cause composition anomalies in the supergiant’s envelope.
Source arXiv, astro-ph/0112039
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