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Searching for Magnetic fields in A-type Supergiants

Published online by Cambridge University Press:  17 November 2003

J. Arnaud ,
N. Meunier ,
E. Verdugo ,
A. Talavera ,
A.I. Gómez de Castro ,
H. F. Henrichs ,
V.C. Geers  and
K. Wiersema
E. Verdugo
Affiliation:
XMM-Newton Science Operations Centre, VILSPA, Madrid, Spain
A. Talavera
Affiliation:
XMM-Newton Science Operations Centre, VILSPA, Madrid, Spain
A.I. Gómez de Castro
Affiliation:
Instituto de Astronomía y Geodesia, Universidad Complutense de Madrid, Spain
H. F. Henrichs
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, The Netherlands
V.C. Geers
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, The Netherlands
K. Wiersema
Affiliation:
Astronomical Institute Anton Pannekoek, University of Amsterdam, The Netherlands
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Abstract

We report on spectropolarimetric observations of 7 A-type supergiants taken with the MuSiCoS echelle spectropolarimeter mounted at the 2 m Bernard Lyot telescope at the Pic du Midi, during June-July 1999 and June-July 2002. We present the values of the derived longitudinal component of the magnetic field. The significance of the results is discussed.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 9: Magnetism and Activity of the Sun and Stars , 2003 , pp. 271
Copyright
© EAS, EDP Sciences, 2003

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