Fig. 5
Overview maps of the POLIS observation at disc centre. Bottom row, left to right: OW, Icore of Ca ii H and Stokes | V | signal of the Fe i line 630.25 nm. Top row, left to right: Icore of Fe i at 630.25 nm, synthetic Ca broad-band imaging data and difference image of the latter two. The dotted white lines denote the locations of the cuts shown in Fig. 6.
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