The influence of clumping on predicted O star wind parameters

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Authors

KRTIČKA Jiří PULS Joachim KUBÁT Jiří

Year of publication 2008
Type Article in Proceedings
Conference Clumping in hot-star winds
MU Faculty or unit

Faculty of Science

Citation
Web http://opus.kobv.de/ubp/frontdoor.php?source_opus=1796&la=de
Field Astronomy and astrophysics
Keywords stars: winds; stars: mass-loss; stars: early-type; - hydrodynamics
Description We study the influence of clumping on the predicted wind structure of O-type stars. For this purpose we artificially include clumping into our stationary wind models. When the clumps are assumed to be optically thin, the radiative line force increases compared to corresponding unclumped models, with a similar effect on either the mass-loss rate or the terminal velocity (depending on the onset of clumping). Optically thick clumps, alternatively, might be able to decrease the radiative force.
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