Fig. 3.
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Blue- and red-wing magnetograms. Upper row: histograms of Stokes V signals at wavelengths of −215 (left panel) and +215 mÅ (right panel) relative to the line core at 630.15 nm. Lower row: 2D images of Stokes V signals at the same wavelengths. The white contours show the boundary of the penumbra-quiet Sun. Histograms correspond to the entire region shown in the lower row.
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