ORBi: Morgenthaler A. - Long-term magnetic field monitoring of the sun-like star ξ Bootis A

Reference : Long-term magnetic field monitoring of the sun-like star ξ Bootis A


	Document type :	Scientific congresses and symposiums : Paper published in a book
	Discipline(s) :	Physical, chemical, mathematical & earth Sciences : Space science, astronomy & astrophysics
	To cite this reference:	http://hdl.handle.net/2268/109277

Title :	Long-term magnetic field monitoring of the sun-like star ξ Bootis A
Language :	English
Author, co-author :	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 [Université de Liège - ULg > Département d'astrophys., géophysique et océanographie (AGO) > Astrophysique stellaire théorique et astérosismologie]
Publication date :	1-Dec-2010
Main document title :	SF2A-2010: Proceedings of the Annual meeting of the French Society of Astronomy and Astrophysics
Editor :	Boissier, S.
	Heydari-Malayeri, M.
	Samadi, R.
	Valls-Gabaud, D.
Pages :	269
On invitation :	No
Audience :	International
Event name :	SF2A 2010
Event organizer :	Société Française d'Astronomie et d'Astrophysique
Event country :	France
Keywords :	[en] stars: activity ; stars: chromospheres ; stars: imaging ; stars: magnetic field ; stars: solar-type ; stars: individual: $\xi$ Bootis A
Abstract :	[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.
Permalink :	http://hdl.handle.net/2268/109277
Other URL :	http://adsabs.harvard.edu/abs/2010sf2a.conf..269M
Commentary :	eprintid: arXiv:1012.0198

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