The interplay of mass loss and core overshooting in massive stars

Details The interplay of mass loss and core overshooting in massive stars The interplay of mass loss and core overshooting in massive stars

Aug 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988ap%26ss.147..163b&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 147, no. 1, Aug. 1988, p. 163-171.

Astronomy and Astrophysics

Astrophysics

4

Astrophysics, Stellar Cores, Stellar Mass Ejection, Supergiant Stars, Constraints, Hertzsprung-Russell Diagram, Hydrogen, Red Giant Stars, Stellar Models

Scientific paper

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 percent is required to explain the nonexistence of red supergiants with Mbol of less than -10. Furthermore, a critical mass of about 60 solar masses 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 overshooting, highlighting the difficulty of establishing the uniqueness of a given set of results.

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