On magnetic field variability in selected M giants
1 : Institute of Astronomy and NAO, BAS
(IA and NAO, BAS)
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Website
72 Tsarigradsko shosse, Sofia -
Bulgaria
2 : Institute of Research in Astrophysics and Planetology
(IRAP)
Observatoire Midi Pyrénées, Observatoire Midi-Pyrénées
3 : Laboratoire Univers et Particules de Montpellier
(LUPM)
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Website
Université Montpellier 2 - Sciences et Techniques, Institut National de Physique Nucléaire et de Physique des Particules du CNRS, Centre National de la Recherche Scientifique : UMR5299
Université de Montpellier II Place Eugène Bataillon - CC 72 34095 Montpellier Cédex 05 -
France
4 : Laboratoire Univers et Particules de Montpellier
(LUPM)
-
Website
CNRS : UMR5299, Université Montpellier II - Sciences et techniques, IN2P3
Université de Montpellier II Place Eugène Bataillon - CC 72 34095 Montpellier Cédex 05 -
France
5 : Institute of Astronomy and NAO, BAS
(IA and NAO)
72 Tsarigradsko shosse, Sofia -
Bulgaria
6 : St. Petersburg University
On the basis of spectropolarimetric observations obtained with Narval at TBL in the period 2008 - 2016 we studied the magnetic field behaviour of two M giants, RZ Ari and beta Peg. The origin of the magnetic fields and the reasons for their variability are discussed.
- Presentation