Fig. B.1

Mean LSD profiles of η Psc as observed with Narval on 15 September 2008. From top to bottom are Stokes V, null polarisation N, and Stokes I profiles. For display purposes, the profiles are shifted vertically, and the Stokes V and diagnostic N profiles are expanded by a factor of 2000. The dashed lines illustrate the zero level for the Stokes V and diagnostic null profiles.
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