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Diagnostics of Solar Magnetic fields based on the Hanle effect

Published online by Cambridge University Press:  17 November 2003

J. Arnaud ,
N. Meunier  and
M. Faurobert
M. Faurobert*
Affiliation:
Laboratory for Astrophysics, University of Nice, Parc Valrose, 06108 Nice Cedex 2, France
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Abstract

The Hanle effect was first used in solar physics to determine weakmagnetic fields in prominences (see Leroy 1981). More recently the development of a new generation of very accuratespectro-polarimeters has open a new window for the diagnostics of weak magnetic fields inthe solar photosphere and chromosphere, based on the Hanle effect. I present here such recent research programs performed with the solar telescope THEMIS and with other polarimeters such as ZIMPOL and the LOCARNO polarimeter.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 9: Magnetism and Activity of the Sun and Stars , 2003 , pp. 77
Copyright
© EAS, EDP Sciences, 2003

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