On the Stability of Very Massive Primordial Stars

@article{Baraffe2001OnTS,
  title={On the Stability of Very Massive Primordial Stars},
  author={I. Baraffe and A. Heger and S. Woosley},
  journal={The Astrophysical Journal},
  year={2001},
  volume={550},
  pages={890-896}
}
  • I. Baraffe, A. Heger, S. Woosley
  • Published 2001
  • Physics
  • The Astrophysical Journal
  • The stability of metal-free very massive stars (Z \ 0; M \ 120¨500 is analyzed and compared M _ ) with metal-enriched stars. Such zero-metallicity stars are unstable to nuclear-powered radial pulsations on the main sequence, but the growth timescale for these instabilities is much longer than for their metal-rich counterparts. Since they stabilize quickly after evolving oU the zero-age main sequence (ZAMS), the pulsation may not have sufficient time to drive appreciable mass loss in Z \ 0 stars… CONTINUE READING
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