Fig. 2
Variations of the longitudinal magnetic field Bℓ (upper panel) and of the activity indicators (lower panels), with photometric phase. The lower panels, from top to bottom, show: S-index, Rc for Ca ii IR lines and Hα. Different symbols represent different observing seasons: stars: 2007–2008, crosses: 2008–2009, triangles: 2009–2010, diamonds: 2010–2011; the 2010–2011 season is shown in red.
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