Mass loss rates in the Hertzsprung-Russell diagram

Statistics – Computation

Scientific paper

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Hertzsprung-Russell Diagram, O Stars, Planetary Nebulae, Stellar Luminosity, Stellar Mass Ejection, Wolf-Rayet Stars, B Stars, Carbon Stars, Computational Astrophysics, High Temperature, Hot Stars, Stellar Mass

Scientific paper

From the literature the authors collected values for the rate of mass loss for 271 stars, nearly all of population I and of spectral types O through M. Rates of stellar mass loss -Mdetermined according to six different methods were compared and appear to yield the same result per star within the limits of errors. The M-data can well be represented by one empirical interpolation formula, as a function of the effective temperature Teff and luminosity L. In addition the authors studied some groups of other stars: fast rotators and chemically evolved stars. The chemically evolved stars have rates of mass loss which are larger than those of "normal" stars occupying the same positions in the Hertzsprung-Russell diagram.

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