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A Magnetic Confinement vs. Rotation Classification of Massive-Star Magnetospheres
V. Petit, S. P. Owocki, G. A. Wade +12
Building on results from the Magnetism in Massive Stars (MiMeS) project, this paper shows how a two-parameter classification of massive-star magnetospheres in terms of the magnetic…
First 3D MHD simulation of a massive-star magnetosphere with application to Hαemission from θ^1 Ori C
Asif ud-Doula, Jon O. Sundqvist, Stanley P. Owocki +2
We present the first fully 3D MHD simulation for magnetic channeling and confinement of a radiatively driven, massive-star wind. The specific parameters are chosen to represent the…
3D Simulations of Magnetic Massive Star Winds
Asif ud-Doula
Due to computational requirements and numerical difficulties associated with coordinate singularity in spherical geometry, fully dynamic 3D magnetohydrodynamic (MHD) simulations of…
A dynamical magnetosphere model for periodic Halpha emission from the slowly rotating magnetic O star HD191612
Jon O. Sundqvist, Asif ud-Doula, Stanley P. Owocki +4
The magnetic O-star HD191612 exhibits strongly variable, cyclic Balmer line emission on a 538-day period. We show here that its variable Halpha emission can be well reproduced by t…