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Measuring transverse magnetic fields: the influence of a polarized continuum

Published online by Cambridge University Press:  17 November 2003

J. Arnaud ,
N. Meunier  and
J.-L. Leroy
J.-L. Leroy*
Affiliation:
Observatoire Midi-Pyrénées, 14 Av. Belin, 31400 Toulouse, France
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Abstract

The diagnosis of stellar magnetic fields must include the determinationof the transverse field component, thus the measurement of linearpolarization across spectral lines. While the neighbouring continuum isoften considered as a zero reference level, it can be polarized by variousscattering mechanisms. I discuss some consequences of such a superposition.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 9: Magnetism and Activity of the Sun and Stars , 2003 , pp. 109
Copyright
© EAS, EDP Sciences, 2003

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