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      Stellar yields in CNO from rotating stellar models

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          Abstract

          For 12C and 16O, 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 14N, 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 13C, 17O and 22Ne at very low metallicity.

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          Author and article information

          Journal
          15 January 2003
          Article
          astro-ph/0301288
          25a84182-a815-40b6-8266-973ad3e1658c
          History
          Custom metadata
          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
          astro-ph

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