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Laboratory determination of Landé factors for the molecular radical FeH

Published online by Cambridge University Press:  13 February 2013

P. Crozet ,
G. Tourasse ,
A. Ross ,
F. Paletou  and
A. López Ariste
P. Crozet
Affiliation:
LASIM Laboratoire de Spectrométrie Ionique et Moléculaire – UMR 5579 CNRS & Université Lyon 1, 43 Bd. du 11 novembre 1918, 69622 Villeurbanne, France
G. Tourasse
Affiliation:
LASIM Laboratoire de Spectrométrie Ionique et Moléculaire – UMR 5579 CNRS & Université Lyon 1, 43 Bd. du 11 novembre 1918, 69622 Villeurbanne, France
A. Ross
Affiliation:
LASIM Laboratoire de Spectrométrie Ionique et Moléculaire – UMR 5579 CNRS & Université Lyon 1, 43 Bd. du 11 novembre 1918, 69622 Villeurbanne, France
F. Paletou
Affiliation:
IRAP Institut de Recherche en Astrophysique et Planétologie, UMR 5277 Université de Toulouse & Observatoire Midi-Pyrenées (CNRS), 14 avenue E. Belin, 31400 Toulouse, France
A. López Ariste
Affiliation:
THEMIS CNRS UPS 853 C/O IAC, via Lactea s/n, 38205 La Laguna, Tenerife, Spain

Abstract

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We report laboratory measurements of the Zeeman response of lines in the 0-0 Wing-Ford band of the F-X system (λ ~ 1 μm) of FeH, measured in magnetic fields 0.3 – 0.5 Tesla. New Landé factors are used to deduce the magnetic field in sunspots from Stokes V profiles recorded at the solar telescope THEMIS. The magnetic field deduced from atomic lines (Ti, Fe) is slightly higher than that found from FeH.

Type
Research Article
Information
European Astronomical Society Publications Series , Volume 58: ECLA - European Conference on Laboratory Astrophysics , 2012 , pp. 63 - 67
Copyright
© The Author(s) 2013

References

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