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EnglishWe present new evolutionary models for zero-metallicity stars, covering a large range of initial masses (from 0.8 to 100 M_⊙). Models are computed with overshooting from stellar cores and convective envelopes, and assuming mass-loss from the most massive stars. We discuss the main evolutionary features of these stars, and provide estimates of the amount of newly-synthesized elements dredged-up to the stellar surface, and possibly lost by stellar winds from the most massive stars. Full details of these models will be given in Marigo et al. (2000, in preparation).
| Titolo: | Evolutionary models of zero metallicity stars | |
| Autori: | ||
| Data di pubblicazione: | 2000 | |
| Abstract: | We present new evolutionary models for zero-metallicity stars, covering a large range of initial masses (from 0.8 to 100 M_⊙). Models are computed with overshooting from stellar cores and convective envelopes, and assuming mass-loss from the most massive stars. We discuss the main evolutionary features of these stars, and provide estimates of the amount of newly-synthesized elements dredged-up to the stellar surface, and possibly lost by stellar winds from the most massive stars. Full details of these models will be given in Marigo et al. (2000, in preparation). | |
| Handle: | http://hdl.handle.net/11577/2454445 | |
| Appare nelle tipologie: | 04.01 - Contributo in atti di convegno |
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