Fig. 17
Hα line EW (top), full width at half maxima (middle), and blue side width at 10% of the peak intensity (bottom) as a function of rotational phase. HARPS and ESPaDONs data are shown as filled and open dots, respectively. The values measured in the profiles of the dipole-only (solid line) and dipole+octupole (dashed line) models are overplotted.
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