Abstract
In this study analytic models are used in an attempt to constrain the overshooting parameter in massive stars. It is found that core overshooting up to of order 20% is required to explain the non-existence of red supergiants withM bol<−10. Furthermore, a critical mass of ∼ 60M ⊙ marks the upper mass limit for stars that can undergo a red supergiant phase. The analysis employed clearly demonstrates an important interplay between mass loss and core overhooting-highlighting the difficulty of establishing the uniqueness of a given set of results.
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Beech, M. The interplay of mass loss and core overshooting in massive stars. Astrophys Space Sci 147, 163–171 (1988). https://doi.org/10.1007/BF00656616
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DOI: https://doi.org/10.1007/BF00656616