Evolution of zero-metallicity massive stars

Details Evolution of zero-metallicity massive stars Evolution of zero-metallicity massive stars

2002-10-25

arxiv.org/abs/astro-ph/0210561v1

Astronomy and Astrophysics

Astrophysics

Invited talk at IAU Symp. 212, ``A Massive Star Odyssey, from Main Sequence to Supernova'', K.A. van der Hucht, A. Herrero, C.

Scientific paper

We discuss the evolutionary properties of primordial massive and very massive stars, supposed to have formed from metal-free gas. Stellar models are presented over a large range of initial masses (8 Msun <= Mi <= 1000 Msun), covering the hydrogen- and helium-burning phases up to the onset of carbon burning. In most cases the evolution is followed at constant mass. To estimate the possible effect of mass loss via stellar winds, recent analytic formalisms for the mass-loss rates are applied to the very massive models (Mi >= 120 Msun).

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