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Effect of rotational mixing and metallicity on the hot star wind mass-loss rates
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SYSNO ASEP 0433746 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Effect of rotational mixing and metallicity on the hot star wind mass-loss rates Author(s) Krtička, J. (CZ)
Kubát, Jiří (ASU-R) RID, ORCIDSource Title Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361
Roč. 567, July (2014), A63/1-A63/7Number of pages 7 s. Publication form Print - P Language eng - English Country FR - France Keywords stars: winds ; outflows ; stars: mass-loss Subject RIV BN - Astronomy, Celestial Mechanics, Astrophysics R&D Projects GA13-10589S GA ČR - Czech Science Foundation (CSF) Institutional support ASU-R - RVO:67985815 UT WOS 000341185300123 DOI https://doi.org/10.1051/0004-6361/201423845 Annotation We study the influence of the modified chemical composition resulting from the rotational mixing on the wind parameters. particularly the wind mass-loss rates. We use our non-local thermodynamic equilibrium wind code to predict the wind structure and compare, the calculated wind mass loss rate for the case of scaled solar chemical composition and the composition affected by the CNO cycle. We show that for a higher mass traction of heavier elements Z/Z(circle dot) greater than or similar to 0.1 the change of chemical composition from the scaled solar to the CNO-processed scaled solar composition does not significantly affect the wind mass loss rates. Workplace Astronomical Institute Contact Anežka Melichárková, bibl@asu.cas.cz, Tel.: 323 620 326 Year of Publishing 2015
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