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1995•The Astrophysical JournalRequires access

A Theory of Winds from Wolf-Rayet Stars

David Eichler, A. Bar Shalom, Josse Oreg

Open publisher page 5 citations

Abstract

When the effective opacity exceeds a critical value, radiation-induced mass loss can undergo a sudden increase, relative to the lower opacities, even when the luminosity is formally sub-Eddington. It is suggested that this is the case for winds from Wolf-Rayet stars. It is further argued that the wind will not be of a super-Eddington character, but rather that the opacity is adjusted via its interplay with the flow parameters such that the new Eddington luminosity just nearly equals the luminosity of the star itself.

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What this paper is about

When the effective opacity exceeds a critical value, radiation-induced mass loss can undergo a sudden increase, relative to the lower opacities, even when the luminosity is formally sub-Eddington. It is suggested that this is the case for winds from Wolf-Rayet stars. It is further argued that the wind will not be of a super-Eddington character, but rather that the opacity is adjusted via its interplay with the flow parameters such that the new Eddington luminosity just nearly equals the luminosity of the star itself.

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OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

When the effective opacity exceeds a critical value, radiation-induced mass loss can undergo a sudden increase, relative to the lower opacities, even when the luminosity is formally sub-Eddington. It is suggested that this is the case for winds from Wolf-Rayet stars. It is further argued that the wind will not be of a super-Eddington character, but rather that the opacity is adjusted via its interplay with the flow parameters such that the new Eddington luminosity just nearly equals the luminosity of the star itself.

Key concepts: Physics, Wolf–Rayet star, Astrophysics, Stars, Luminosity, Opacity, Astronomy, Stellar wind

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