1-D models of induced density enhancements in hot-star winds

Details 1-D models of induced density enhancements in hot-star winds 1-D models of induced density enhancements in hot-star winds

Nov 1994

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994ap%26ss.221..437o&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 221, no. 1-2, p. 437-441

Statistics

Computation

3

Computational Astrophysics, Hot Stars, Stellar Models, Stellar Physics, Stellar Winds, Density Distribution, Gray Scale, Perturbation, Spectral Signatures, Ultraviolet Spectra

Scientific paper

We present a 1-D dynamical model of large-scale flow structures induced in a hot-star wind by an initial density perturbation in the inner wind. The resulting wind response is very complex, but includes strong density enhancements that propagate slowly outward through the wind. These density structures exhibit a very slow outward acceleration reminiscent of the discrete absorption components frequently observed in unsaturated UV lines formed in hot-star winds.

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