Abstract
Evolution of massive stars losing mass with the rateM H αL/V ∞ C is computed (for α=1,2,7). It is shown that observed mass loss rates correspond to α≈0.3 and, therefore, mass loss by stellar wind cannot play any significant role in the evolution of normal massive stars. However, for several types of massive stars (WR, OH/IR, X-ray sources) enhanced mass loss explains their peculiar features. Computations of evolutionary sequences of massive stars with convective overshooting taken into account (as a formal increase of the convective core) show that a significant broadening of the hydrogen-burning band in the H-R diagram may be obtained.
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Massevitch, A.G., Popova, E.I., Tutukov, A.V. et al. On the influence of mass loss and convective overshooting on the evolution of massive stars. Astrophys Space Sci 62, 451–463 (1979). https://doi.org/10.1007/BF00645480
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DOI: https://doi.org/10.1007/BF00645480