Fig. 6.
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Analysis of the occurrence and energy characteristics of quasi-periodic pulsations (QPPs) in solar flares. (a) Phases of the flare in which QPPs were detected. The analysis was performed for 91 flares for which the Lomb-Scargle method revealed statistically significant periodicities in the periodogram. (b) Energy range in which the detected periodicities were strongest, based on the same 91 flares where statistically significant periodicities were identified. Panels (c), (d), and (e) show results divided by estimated GOES class for 19 B-class flares, 56 C-class flares, and 16 M-class flares, respectively.
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