The mass-loss rates of Wolf-Rayet stars

Details The mass-loss rates of Wolf-Rayet stars The mass-loss rates of Wolf-Rayet stars

Mar 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...192..170d&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 192, no. 1-2, March 1988, p. 170-176.

Astronomy and Astrophysics

Astrophysics

13

Emission Spectra, Stellar Luminosity, Stellar Mass Ejection, Stellar Spectra, Stellar Winds, Wolf-Rayet Stars, B Stars, Binary Stars, Companion Stars, O Stars, Stellar Mass, Stellar Radiation, Ultraviolet Spectroscopy

Scientific paper

Using the fundamental data of well studied Wolf-Rayet stars, relations are obtained between the mass loss rates and the terminal velocities and the fundamental stellar parameters. The author finds no correlation between the mass loss rate and the luminosity, but instead he finds a clear correlation with the radius: M= 3.34×10-6(R/R_sun;)1.18M_sun;/yr. A very good correlation is found between the terminal velocity and the mass of WR stars: v = 602.6 (M/M_sun;)0.616km s-1. Both relations are independent of the subtype. The author discusses the corrections to the stellar radius, due to the presence of stellar wind and the relation between the mass and the mass loss rate, found by Abbott et al. (1986).

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