Fig. 3.
Supersynoptic maps of the MWO PFSS radial field at the coronal source surface (nmax = 90, rss = 2.5Rs). Upper panel: magnetic field derived from nonscaled MWO harmonic coefficients, while lower panel: field when MWO photospheric harmonic coefficients are scaled to SOLIS/VSM. SOLIS/VSM coronal PFSS field for 2013–2017 is added in the lower panel.
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