White dwarf mergers and the origin of R Coronae Borealis starsReportar como inadecuado



 White dwarf mergers and the origin of R Coronae Borealis stars


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We present a nucleosynthesis study of the merger of a 0.4 solar masses helium white dwarf with a 0.8 solar masses 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.



Autor: P. Lorén-Aguilar; R. Longland; J. José; E. García-Berro; L. G. Althaus; J. Isern

Fuente: https://archive.org/



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