Connection between nonradial pulsations and stellar winds in massive stars. IV - Atmospheric structure and mass loss from pulsation with speculative application to B and Be stars

Details Connection between nonradial pulsations and stellar winds in massive stars. IV - Atmospheric structure and mass loss from pulsation with speculative application to B and Be stars Connection between nonradial pulsations and stellar winds in massive stars. IV - Atmospheric structure and mass loss from pulsation with speculative application to B and Be stars

Jan 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986pasp...98...37w&link_type=abstract

(Workshop on the Connection between Nonradial Pulsations and Stellar Winds in Massive Stars, Boulder, CO, Apr. 17-19, 1985) Astr

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Applications

10

B Stars, Early Stars, Stellar Atmospheres, Stellar Mass Ejection, Stellar Oscillations, Stellar Structure, Atmospheric Density, Density Distribution, Radiation Pressure, Stellar Coronas, Stellar Luminosity, Stellar Winds, Velocity Distribution

Scientific paper

Pulsation produces alterations in the density structure of a stellar atmosphere, and it drives or enhances mass loss. A summary is provided of some very general results which were obtained on the basis of an analysis of models calculated by Bowen (1985) for the atmospheres of radially pulsating cool stars. It is pointed out that four parameters are needed to characterize the structure of the atmosphere of a pulsating star, if simplifying assumptions are made regarding isothermal conditions with respect to shocks and the global temperature distribution. Some possible implications of the nonradial pulsations observed in B and Be stars for the structure of their atmospheres are discussed. Attention is given to the stellar wind, and applications to B and Be stars.

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