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Predictions of the effect of clumping on the wind properties of O-type stars
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SYSNO ASEP 0368890 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Predictions of the effect of clumping on the wind properties of O-type stars Author(s) Muijres, L. (NL)
de Koter, A. (NL)
Vink, J.S. (NL)
Krtička, J. (CZ)
Kubát, Jiří (ASU-R) RID, ORCID
Langer, N. (DE)Source Title Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361
Roč. 526, February (2011), A32/1-A32/11Number of pages 11 s. Language eng - English Country FR - France Keywords radiative transfer ; early-type stars ; massive stars Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects GA205/08/0003 GA ČR - Czech Science Foundation (CSF) CEZ AV0Z10030501 - ASU-R (2005-2011) UT WOS 000286458400044 DOI 10.1051/0004-6361/201014290 Annotation Both empirical evidence and theoretical findings indicate that the stellar winds of massive early-type stars are inhomogeneous, i.e., porous and clumpy. For relatively dense winds, empirically derived mass-loss rates might be reconciled with predictions if these empirical rates are corrected for clumping. The predictions, however, do not account for structure in the wind. To allow for a consistent comparison, we investigate and quantify the effect of clumpiness and porosity of the outflow on the predicted wind energy and the maximal effect on the mass-loss rate of O-type stars. Workplace Astronomical Institute Contact Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2012
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