Fig. 4.
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Presence of statistically significant periodicities in light curves of 129 flares analyzed for periodicity. Panel (a) shows results for a statistically significant period in at least one energy channel. Panels (b), (c), and (d) show individual results for the periods observed in the 4–10 keV, 10–15 keV, and 15–25 keV channels, respectively.
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