Masses and mass loss from O and Of stars

Details Masses and mass loss from O and Of stars Masses and mass loss from O and Of stars

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980a%26a....87...68l&link_type=abstract

Astronomy and Astrophysics, vol. 87, no. 1-2, July 1980, p. 68-76.

Astronomy and Astrophysics

Astrophysics

35

Early Stars, O Stars, Stellar Evolution, Stellar Luminosity, Stellar Mass Ejection, Bolometers, Chemical Composition, Stellar Models, Stellar Rotation, Stellar Temperature, Stellar Winds, Supermassive Stars

Scientific paper

The location of the O stars in the temperature luminosity diagram is compared, with the use of a new effective temperature scale, with evolutionary tracks including mass loss. The dependence of mass loss rates on luminosity is slower than predicted by the radiation driven wind models, and the possible origin of the winds from Of stars is discussed. The location of the O stars in the HR diagram agrees with calculated evolutionary tracks with mass loss. In addition, the upper limit for the present masses of O stars is 80 solar masses, and, with possibly two exceptions, the upper limit for the initial masses of the O stars is 100 solar masses.

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