Reference : 3D modelling of the massive star binary systems Eta Carinae, WR 22, and WR 140

	Document type :	Scientific journals : Article
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/82963

Title :	3D modelling of the massive star binary systems Eta Carinae, WR 22, and WR 140
Language :	English
Author, co-author :	Parkin, E. R. [Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium) AB(School of Physics and Astronomy, The University of Leeds, UK) AC( CRESST and X-ray Astrophysics Laboratory, NASA/GSFC, and Universities Space Research Association, USA) AD(CRESST and X-ray Astrophysics Laboratory, NASA/GSFC, and Department of Physics, University of Maryland, USA) AE(School of Physics and Astronomy, University of Birmingham, UK) AF(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium) AG(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium) AH(Institut d'Astrophysique et de Géophysique, Université de Liège, Belgium]
	Pittard, J. M. [> > > >]
	Corcoran, M. F. [> > > >]
	Hamaguchi, K. [> > > >]
	Stevens, I. R. [> > > >]
	Gosset, Eric [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Groupe d'astrophysique des hautes énergies (GAPHE) >]
	Rauw, Grégor [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Sciences spatiales >]
	De Becker, Michaël [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Département d'astrophys., géophysique et océanographie (AGO) >]
Publication date :	1-Jan-2011
Journal title :	Bulletin de la Societe Royale des Sciences de Liege
Volume :	80
Pages :	610-615
Audience :	International
Abstract :	[en] Massive stars possess powerful stellar winds. Wind-wind collision in a massive star binary system generates a region of thermalized plasma which may emit prolifically at X-ray wavelengths. Results are presented from 3D adaptive-mesh refinement (AMR) hydrodynamical models which include radiative cooling and the radiative driving of the stellar winds. The models provide an exceptional insight into the turbulent nature of the wind-wind interaction regions. The X-ray emission from the hydrodynamical models is then calculated, allowing detailed comparisons with observational data. Preliminary results from investigations of Eta Carinae, WR 22, and WR 140 are discussed.
Target :	Researchers
Permalink :	http://hdl.handle.net/2268/82963
Other URL :	http://cdsads.u-strasbg.fr/abs/2011BSRSL..80..610P

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