Fig. 3.

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Correlation coefficients between the same parameters as shown in Fig. 2. The subscripts a and b relate to the 340 and 1960 HEALPix pixel numbers. The lower triangle shows raw correlations, while the upper triangle shows correlations after high-pass filtering with a running mean with a 10-sample window. For further explanation of and motivation for this filtering, see Andersen et al. (2023).
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