Fig. 7
Top panel: magnetic line ratio (MLR) of the GRIS data set as a function of the Stokes V amplitude Vmax in Fe i 15 648.5 Å. The two-dimensional histogram takes only two-lobed profiles with small asymmetries (δa and δA) into account. Left panel: histogram integrated over the x-axis of the scatter plot. The color-coded boxes mark regions discussed in the text, the gray wedge indicates the 3σ threshold applied to compute the number of lobes. Bottom panel: same as above, but for the LP/CP ratio in the Fe i 15 648.5 Å line (see Sect. 5.1).
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