About: Mass loss in main-sequence B stars

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	We calculate radiatively driven wind models of main-sequence B stars and provide the wind mass-loss rates and terminal velocities. The main-sequence mass-loss rate strongly depends on the stellar effective temperature. For the hottest B stars the mass-loss rate amounts to 1d-9 Mo/year, while for the cooler ones the mass-loss rate is lower by more than three orders of magnitude. Main-sequence B stars with solar abundance and effective temperatures lower than about 15000 K (later than spectral type B5) do not have any homogeneous line-driven wind. We predict the wind mass-loss rates for the solar chemical composition and for the modified abundance of heavier elements to study the winds of chemically peculiar stars. The mass-loss rate may either increase or decrease with increasing abundance, depending on the importance of the induced emergent flux redistribution. Stars with overabundant silicon may have homogeneous winds even below the solar abundance wind limit at 15000 K. We calculate radiatively driven wind models of main-sequence B stars and provide the wind mass-loss rates and terminal velocities. The main-sequence mass-loss rate strongly depends on the stellar effective temperature. For the hottest B stars the mass-loss rate amounts to 1d-9 Mo/year, while for the cooler ones the mass-loss rate is lower by more than three orders of magnitude. Main-sequence B stars with solar abundance and effective temperatures lower than about 15000 K (later than spectral type B5) do not have any homogeneous line-driven wind. We predict the wind mass-loss rates for the solar chemical composition and for the modified abundance of heavier elements to study the winds of chemically peculiar stars. The mass-loss rate may either increase or decrease with increasing abundance, depending on the importance of the induced emergent flux redistribution. Stars with overabundant silicon may have homogeneous winds even below the solar abundance wind limit at 15000 K. (en)
Title	Mass loss in main-sequence B stars Mass loss in main-sequence B stars (en)
skos:prefLabel	Mass loss in main-sequence B stars Mass loss in main-sequence B stars (en)
skos:notation	RIV/00216224:14310/14:00073773!RIV15-GA0-14310___
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA13-10589S)
http://linked.open...iv/cisloPeriodika	april
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Krtička, 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	Masarykova univerzita / Přírodovědecká fakulta
http://linked.open...dnocenehoVysledku	27508
http://linked.open...ai/riv/idVysledku	RIV/00216224:14310/14:00073773
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	stars: winds; outflows; stars: mass-loss; stars; early-type; hydrodynamics (en)
http://linked.open.../riv/klicoveSlovo	outflows stars: mass-loss hydrodynamics stars: winds stars early-type
http://linked.open...odStatuVydavatele	FR - Francouzská republika
http://linked.open...ontrolniKodProRIV	[935E95135042]
http://linked.open...i/riv/nazevZdroje	Astronomy and Astrophysics
http://linked.open...in/vavai/riv/obor	BN
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Mass loss in hot massive stars
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	564
http://linked.open...iv/tvurceVysledku	Krtička, Jiří
http://linked.open...ain/vavai/riv/wos	000334671000070
issn	0004-6361
number of pages	10 (xsd:int)
http://bibframe.org/vocab/doi	10.1051/0004-6361/20131980
http://localhost/t...ganizacniJednotka	14310

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