X-ray emission from hydrodynamical simulations in non-LTE wind models

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SYSNO ASEP	0337548
Document Type	J - Journal Article
R&D Document Type	Journal Article
Subsidiary J	Článek ve WOS
Title	X-ray emission from hydrodynamical simulations in non-LTE wind models
Author(s)	Krtička, J. (CZ) Feldmeier, A. (DE) Oskinova, L.M. (DE) Kubát, Jiří (ASU-R)_{RID, ORCID} Hamann, W.-R. (DE)
Source Title	Astronomy & Astrophysics. - : EDP Sciences - ISSN 0004-6361 Roč. 508, č. 2 (2009), s. 841-848
Number of pages	8 s.
Language	eng - English
Country	FR - France
Keywords	stars ; winds ; outflows
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	000273296700029
DOI	10.1051/0004-6361/200912642
Annotation	We use results from time-dependent hydrodynamical simulations of the line-driven wind instability (seeded by the base perturbation) to derive the analytical approximation of X-ray emission in the stellar wind. We use this approximation in our non-LTE wind models and find that an improved inclusion of X-rays leads to a better agreement between model ionization fractions and those derived from observations.
Workplace	Astronomical Institute
Contact	Radka Svašková, bibl@asu.cas.cz, Tel.: 323 620 326
Year of Publishing	2011

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