The theory of stellar winds |
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| Authors: | Email author" target="_blank">Jorick?S?VinkEmail author |
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| Institution: | 1.Armagh Observatory,College Hill,Armagh,UK |
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| Abstract: | We present a brief overview of the theory of stellar winds with a strong emphasis on the radiation-driven outflows from massive
stars. The resulting implications for the evolution and fate of massive stars are also discussed. Furthermore, we relate the
effects of mass loss to the angular momentum evolution, which is particularly relevant for the production of long and soft
gamma-ray bursts. Mass-loss rates are not only a function of the metallicity, but are also found to depend on temperature,
particularly in the region of the bi-stability jump at 21 000 Kelvin. We highlight the role of the bi-stability jump for Luminous
Blue Variable (LBV) stars, and discuss suggestions that LBVs might be direct progenitors of supernovae. We emphasize that
radiation-driven wind studies rely heavily on the input opacity data and linelists, and that these are thus of fundamental
importance to both the mass-loss predictions themselves, as well as to our overall understanding of the lives and deaths of
massive stars. |
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