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Fig. 13

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Spatial variation of the χ2 in the large-area QS scan. Top row, left: line-core intensity as indicator of the solar spatial structuring. Top right: χ2 with equal weight for all wavelengths. Bottom left: χ2 with enhanced weighting for the line core. Bottom right: decrease/increase in χ2 (white/black) by the iterative modification of the fit when considering enhanced weighting in the line core.

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