Fig. 5.
Power spectra of the spatial fluctuations of the unsigned magnetic flux density in the IN regions at the center of the solar disk, for observations performed between 2008 and 2016 on a log−log scale. The upper set of curves are obtained from PSF corrected maps, whereas the lower set is from uncorrected maps. Red line: 2008; orange: 2009; light green: 2010; green: 2011; deep green: 2012; light blue: 2013; blue: 2014; deep blue line: 2015; and purple: 2016.
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