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Coronal Magnetometry

Published online by Cambridge University Press:  05 January 2006

M. Giard ,
F. Casoli ,
F. Paletou ,
J. Arnaud ,
M. Faurobert ,
G. Grec  and
J.-C. Vial
J. Arnaud
Affiliation:
Laboratoire d'Astrophysique de Toulouse et Tarbes, UMR 5572, Observatoire Midi-Pyrénées, 14 avenue Édouard Belin, 31400 Toulouse, France
M. Faurobert
Affiliation:
Laboratoire Universitaire d'Astrophysique de Nice, UMR 6525, Université de Nice Sophia-Antipolis, Parc Valrose, 06108 Nice Cedex 02, France
G. Grec
Affiliation:
Département Cassiopée, UMR 6202, Observatoire de la Côte d'Azur, BP. 4229, 06304 Nice Cedex 04, France
J.-C. Vial
Affiliation:
Institut d'Astrophysique Spatiale, UMR 8617, Université Paris-Sud, Bâtiment 121, 91405 Orsay, France
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Abstract

Magnetic fields emerging in the solar atmosphere control the structure, dynamics and heating of the solar corona. Those fields remain essentially unattainable with present low corona instrumentation. We present the most direct way of magnetic field remote measurements in the internal corona, namely visible and infrared coronal emission lines magnetometry and we explain why Dome C should be investigated as a likely outstanding site for such observations. We develop a strategy towards a large aperture coronal magnetometer at Dome C in the context of the other main instrumental projects underway for solar physics.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 14: Dome C Astronomy and Astrophysics Meeting , 2005 , pp. 95 - 100
Copyright
© EAS, EDP Sciences, 2005

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