Fig. 4.
Analysis via PELT of the XMM-Newton PN light curves in the 0.3–8.0 keV bandpass subtracted of background rate. Bin size is 600 s and the rate is shown in a log scale. Panels have the same range on the y-axis. Horizontal segments and shaded areas indicate the average count rate and variance in each time interval (numbers on top of the intervals). The semi-log scale helps to recognize the regular exponential decay of the flare.
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