Fig. 7

Left: scatterplot of the continuum contrast vs. longitudinal flux density Bapp,los for the plage field of view (FOV) shown in Fig. 1, obtained by removing the pores via a simple contrast threshold at a value of − 0.18. Right: scatterplot of the continuum contrast vs. apparent longitudinal field strength Bapp,los for the same plage FOV, obtained after degradation of the contrast and Bapp,los by convolving with a Gaussian of FWHM and a Lorentzian of FWHM
(mimicing straylight), while removing the pores with the same contrast threshold.
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