Arthur Choplin
Pre-supernova mixing in CEMP-no source stars
Choplin, Arthur; Ekström, Sylvia; Meynet, Georges; Maeder, André; Georgy, Cyril; Hirschi, Raphael
Authors
Abstract
Context. CEMP-no stars are long-lived low-mass stars with a very low iron content, overabundances of carbon and no or minor signs for the presence of s- or r-elements. Although their origin is still a matter of debate, they are often considered as being made of a material ejected by a previous stellar generation (source stars).
Aims. We place constraints on the source stars from the observed abundance data of CEMP-no stars.
Methods. We computed source star models of 20, 32, and 60 M? at Z = 10
Journal Article Type | Article |
---|---|
Acceptance Date | May 26, 2017 |
Publication Date | Sep 11, 2017 |
Journal | Astronomy & Astrophysics |
Print ISSN | 0004-6361 |
Publisher | EDP Sciences |
Peer Reviewed | Peer Reviewed |
Volume | 605 |
Article Number | A63 |
Pages | A63 -A63 |
DOI | https://doi.org/10.1051/0004-6361/201630182 |
Keywords | stars, abundances, massive, chemically peculiar, nuclear reactions, nucleosynthesis, interiors |
Publisher URL | https://doi.org/10.1051/0004-6361/201630182 |
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