Fig. 4
Brightness profile of the symmetry axis of the F-corona in the FOV of WISPR-I and WISPR-O calibrated (and stray-light corrected) images. A robust linear model, as obtained from elongations ϵ ≥ 20 R⊙, has been fitted (in red) to each data set (the coefficients of the models are reported in Table 3).
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