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Plasma Leakage from the Centrifugal Magnetospheres of Magnetic B-Type Stars

Published online by Cambridge University Press:  23 January 2015

Matt Shultz ,
Gregg Wade ,
Thomas Rivinius ,
Jason Grunhut ,
Véronique Petit  and
the MiMeS Collaboration
Matt Shultz
Affiliation:
European Southern Observatory email: mshultz@eso.org Queen's University, Canada Royal Military College, Canada
Gregg Wade
Affiliation:
Royal Military College, Canada
Thomas Rivinius
Affiliation:
European Southern Observatory email: mshultz@eso.org
Jason Grunhut
Affiliation:
European Southern Observatory email: mshultz@eso.org
Véronique Petit
Affiliation:
University of Delaware, USA
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Abstract

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Magnetic B-type stars are often host to Centrifugal Magnetospheres (CMs). Here we describe the results of a population study encompassing the full sample of known magnetic early B-type stars, focusing on those with detectable CMs. We present revised rotational and magnetic parameters for some stars, clarifying their positions on the rotation-confinement diagram, and find that plasma densities within their CMs is much lower than those predicted by centrifugal breakout.

Keywords

plasmasstars: circumstellar matterstars: magnetic fieldsstars: rotation

References

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