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We present a nucleosynthesis study of the merger of a 0.4 M⊙ helium white dwarf with a 0.8 M⊙ carbon-oxygen white dwarf, coupling the thermodynamic history of Smoothed Particle Hydrodynamics particles with a post-processing code.
The resulting chemical abundance pattern, particularly for oxygen and fluorine, is in
qualitative agreement with the observed abundances in R Coronae Borealis stars.
CitationLoren, P. [et al.]. White dwarf mergers and the origin of R coronae borealis stars. A: Advances in Computational Astrophysics: Methods, Tools, and Outcome. "Astronomical Society of the Pacific Conference Series". 2012, p. 123-126.
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