Stellar yields in CNO from rotating stellar models
Abstract
For C and O, rotating models predict in general enhanced yields. At high metallicity, the carbon and oxygen yields from the very high mass stars, which go through a WR phase, are little affected by rotation. For N, rotation allows the production of important amounts of primary nitrogen in {\it intermediate mass stars} at very low metallicity. The process invoked for this production is different, from the classically accepted scenario {\it i.e.} the Hot Bottom Burning (HBB) in Asymptotic Giant Branch (AGB) stars. Rotating models also predict important productions of primary C, O and Ne at very low metallicity.
Keywords
Cite
@article{arxiv.astro-ph/0301288,
title = {Stellar yields in CNO from rotating stellar models},
author = {Georges Meynet and Andre Maeder and Raphael Hirschi},
journal= {arXiv preprint arXiv:astro-ph/0301288},
year = {2007}
}
Comments
9 pages, 7 figures, for proceedings of the conference ``CNO in the Universe'', C. Charbonnel, D. Schaerer and G. Meynet eds., ASP Conf. Ser. in press