About: Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds

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About: Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Here, we study the influence of XUV radiation on the P v ionization fraction in hot star winds. Using a detailed solution of the hydrodynamical radiative transfer and statistical equilibrium equations, we confirm that a sufficiently strong XUV radiation source might decrease the P v ionization fraction, possibly depreciating the P v lines as a reliable mass-loss rate indicator. However, the XUV radiation also influences the ionization fraction of heavier ions that drive the wind, leading to a decrease of the wind terminal velocity. Consequently, we conclude that XUV radiation alone cannot bring theory and observations into agreement. Here, we study the influence of XUV radiation on the P v ionization fraction in hot star winds. Using a detailed solution of the hydrodynamical radiative transfer and statistical equilibrium equations, we confirm that a sufficiently strong XUV radiation source might decrease the P v ionization fraction, possibly depreciating the P v lines as a reliable mass-loss rate indicator. However, the XUV radiation also influences the ionization fraction of heavier ions that drive the wind, leading to a decrease of the wind terminal velocity. Consequently, we conclude that XUV radiation alone cannot bring theory and observations into agreement. (en)
Title	Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds (en)
skos:prefLabel	Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds Influence of extreme ultraviolet radiation on the P v ionization fraction in hot star winds (en)
skos:notation	RIV/67985815:_____/12:00388465!RIV13-GA0-67985815
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA205/08/0003)
http://linked.open...iv/cisloPeriodika	1
http://linked.open...vai/riv/dodaniDat	2013
http://linked.open...aciTvurceVysledku	Kubát, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Astronomický ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	141406
http://linked.open...ai/riv/idVysledku	RIV/67985815:_____/12:00388465
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	hydrodynamics; early-type stars; mass-loss (en)
http://linked.open.../riv/klicoveSlovo	early-type stars hydrodynamics mass-loss
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[F68BCFD5371F]
http://linked.open...i/riv/nazevZdroje	Monthly Notices of the Royal Astronomical Society
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	2 (xsd:int)
http://linked.open...vavai/riv/projekt	Mass-loss rate predictions for hot stars
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	427
http://linked.open...iv/tvurceVysledku	Krtička, J. Kubát, Jiří
http://linked.open...ain/vavai/riv/wos	000310675400008
issn	0035-8711
number of pages	7 (xsd:int)
http://bibframe.org/vocab/doi	10.1111/j.1365-2966.2012.21895.x

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