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Fig. 19

image

Top: evolution of the X-ray intensity (black line) and the magnetic flux in the region of emerging flux on the left part of the snapshots in Fig. 17. The colours of the curves of the flux are consistent with the contours. Red is positive flux, green is negative flux (in absolute value). Bottom: same as the top panel, for the second region of flux emergence in the bottom right of the snapshots in Fig. 17. There is an X-ray data gap between 18:40 and 19:02 that has been filled in by the first available value after the gap.

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