Reference : Long-term magnetic field monitoring of the sun-like star ξ Bootis A
Scientific congresses and symposiums : Paper published in a book
Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
Long-term magnetic field monitoring of the sun-like star ξ Bootis A
Morgenthaler, A. [> > > >]
Petit, P. [> >]
Aurière, M. [> > > >]
Dintrans, B. [> > > >]
Farès, R. [> >]
Gastine, T. [> > > >]
Lanoux, J. [> > > >]
Lignières, F. [> > > >]
Morin, J. [> > > >]
Ramirez, J. [> >]
Théado, S. [> > > >]
Van Grootel, Valérie mailto [Université de Liège - ULiège > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie]
SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics
Boissier, S.
Heydari-Malayeri, M.
Samadi, R.
Valls-Gabaud, D.
SF2A 2010
Société Française d'Astronomie et d'Astrophysique
[en] stars: activity ; stars: chromospheres ; stars: imaging ; stars: magnetic field ; stars: solar-type ; stars: individual: $\xi$ Bootis A
[en] Phase-resolved observations of the solar-type star ξ Bootis A were obtained using the Narval spectropolarimeter at Telescope Bernard Lyot (Pic du Midi, France) during years 2007, 2008, 2009 and 2010. The data sets enable us to study both the rotational and the long-term evolution of various activity tracers. Here, we focus on the large-scale photospheric magnetic field (reconstructed by Zeeman-Doppler Imaging), the Zeeman broadening of the FeI 846.84 nm magnetic line, and the chromospheric CaII H and Hα emission.
eprintid: arXiv:1012.0198

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