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Fig. 5

image

Fe XVI line profiles (total observed profile) for the regions of 1, 2, 3, 4, 5, and 7. The peak of each line is set to 1 by dividing by the maximum value. Many of the lines are “more peaked” and have broader wings, which is consistent with a physical line profile closer to a kappa distribution than a Gaussian. Small panels on the main plots show the peaks and wings more clearly. The following fits are shown: orange: Gaussian from eis_auto_fit, green: Gaussian fit, pink: kappa fit, blue: convolved kappa-Gaussian fit. The reduced χ2 values for each fit are shown on each panel. The skewness (S) and kurtosis (K) from the moments analysis, and the κ values of each fit, are also shown. The dotted blue lines represent the inferred physical kappa line profiles from the convolved kappa-Gaussian fits.

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