Abstract
Stellar models with axial rotation and very low metallicity Z, typical of the early star generations have been computed. These models account for the effects of rotation in the same way as previous grids which successfully reproduce the He- and N-enrichments observed at the surface of massive stars, and also the high numbers of red supergiants observed in low Z galaxies (Meynet and Maeder, 2000; Maeder and Meynet, 2001). At very low metallicity (Z = 0.00001, i.e. one two thousandth of the solar metallicity), these models naturally lead to the production of primary nitrogen.
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Meynet, G. (2002). Primary Nitrogen Production at Low Z. In: Sauvage, M., Stazińska, G., Schaerer, D. (eds) The Evolution of Galaxies. Springer, Dordrecht. https://doi.org/10.1007/978-94-017-3311-3_32
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DOI: https://doi.org/10.1007/978-94-017-3311-3_32
Publisher Name: Springer, Dordrecht
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