Fig. 2

Mean Stokes V profiles (blue), null diagnosis (purple), Stokes Q (red) and Stokes U (green) profiles for the two sets described in Sect. 3.4.2. Upper panel shows set 1 and lower panel show set 2. The horizontal dotted lines represent the 1σ level, the horizontal solid line the 0 level and the vertical line indicates the velocity of the star in the heliocentric rest frame.
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