Influence of a stellar wind on the evolution of a star of 30 solar masses

Details Influence of a stellar wind on the evolution of a star of 30 solar masses Influence of a stellar wind on the evolution of a star of 30 solar masses

Sep 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980apj...240..885s&link_type=abstract

Astrophysical Journal, Part 1, vol. 240, Sept. 15, 1980, p. 885-891.

Astronomy and Astrophysics

Astrophysics

11

Astrophysics, Stellar Evolution, Stellar Winds, Supergiant Stars, Convective Heat Transfer, Helium, Hydrogen, Red Giant Stars, Schwarzschild Metric, Stellar Mass Ejection

Scientific paper

A coarse grid of theoretical evolutionary tracks was calculated for a 30 solar mass star to determine the role of mass loss in the evolution of the star during core He burning. The Cox-Stewart opacities were applied, and the rate of mass loss, criterion for convection, and initial chemical composition were taken into consideration. Using the Schwarzschild criterion, the star undergoes little mass loss during core He burning and remains a blue supergiant separated from main sequence stars on the H-R diagram. The stellar remnant consists of the original He core and may appear bluer than equally luminous main sequence stars; a variety of possible evolutionary tracks can be obtained for an initial solar mass of 30 with proper choices of free parameters.

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