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Hydrodynamical simulations of Pinwheel nebula WR 104

Published online by Cambridge University Press:  12 July 2011

Astrid Lamberts ,
Sebastien Fromang  and
Guillaume Dubus
Astrid Lamberts
Affiliation:
Laboratoire d'Astrophysique de Grenoble, UMR 5571 CNRS, Université Joseph Fourier, BP 53, 38041 Grenoble, France, email: astrid.lamberts@obs.ujf-grenoble.fr
Sebastien Fromang
Affiliation:
Laboratoire AIM, CEA/DSM-CNRS-Université Paris Diderot, IRFU/Service d'Astrophysique CEA-Saclay F-91191 Gif-sur-Yvette, France
Guillaume Dubus
Affiliation:
Laboratoire d'Astrophysique de Grenoble, UMR 5571 CNRS, Université Joseph Fourier, BP 53, 38041 Grenoble, France, email: astrid.lamberts@obs.ujf-grenoble.fr
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Abstract

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Pinwheel Nebulae are colliding wind binaries (CWB) composed of a Wolf-Rayet star and an early-type star. We first compare our simulations to analytic solutions for CWB. Then we perform large scale 2D simulations of the particular system WR 104. We determine the properties of the gas in the winds and confirm the flow in the spiral has a ballistic motion.

Keywords

hydrodynamicsmethods: numericalstars: individual (WR 104)binariesstars: windsoutflows
Type
Contributed Papers
Information
Proceedings of the International Astronomical Union , Volume 6 , Symposium S272: Active OB stars: structure, evolution, mass loss, and critical limits , July 2010 , pp. 402 - 403
Copyright
Copyright © International Astronomical Union 2011

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