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Observations of magnetic fields in hot stars

Published online by Cambridge University Press:  12 July 2011

Véronique Petit
Véronique Petit*
Affiliation:
Dept. of Geology & Astronomy, West Chester University, West Chester, PA 19383, USA email: VPetit@wcupa.edu
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Abstract

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The presence of magnetic fields at the surfaces of many massive stars has been suspected for decades, to explain the observed properties and activity of OB stars. However, very few genuine high-mass stars had been identified as magnetic before the advent of a new generation of powerful spectropolarimeters that has resulted in a rapid burst of precise information about the magnetic properties of massive stars. During this talk, I will briefly review modern methods used to diagnose magnetic fields of higher-mass stars, and summarize our current understanding of the magnetic properties of OB stars.

Keywords

stars: early-typestars: magnetic fieldstechniques: polarimetric
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. 106 - 117
Copyright
Copyright © International Astronomical Union 2011

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