The Effects of Mass Loss on the Pre-Main Sequence Evolutionary Tracks of Stein's Model Stars

Details The Effects of Mass Loss on the Pre-Main Sequence Evolutionary Tracks of Stein's Model Stars The Effects of Mass Loss on the Pre-Main Sequence Evolutionary Tracks of Stein's Model Stars

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984pkas....1....1u&link_type=abstract

Publications of the Korean Astronomical Society, vol.1, no.1, p.1-8

Astronomy and Astrophysics

Astronomy

Scientific paper

Under the context of Stein's linear theory of stellar models, the luminosity-effective temperature relationship is derived for contracting pre-main sequence stars which are losing mass according to the empirical formula, given by Reimers(1975). The effects of mass loss on their evolution are investigated by calculating evolutionary tracks of 1.5Mo, 5Mo, and 10Mo stars. Our calculations reveal that the effects of mass loss show up in the radiative equilibrium stage of the evolution. It is found that an increase of mass loss rate leads to delay the onset of radiative equilibrium, thus resulting in underluminous main sequence stars. It is also noted that the mass loss prolongs the pre-main sequence life time. Detailed results of the calcuations are discussed.

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