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Laboratory determination of Landé factors for the molecularradical 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-Fordband of the F-X system (λ ~ 1 μm) of FeH, measuredin magnetic fields 0.3 – 0.5 Tesla. New Landé factors are used to deduce the magneticfield in sunspots from Stokes V profiles recorded at the solar telescope THEMIS. Themagnetic field deduced from atomic lines (Ti, Fe) is slightly higher than that found fromFeH.

References

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