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Fig. 25.

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Correlations between the parameters of flare event and Ro. Left panel: ratio of the maximum flare amplitude versus Ro for 6142 flaring stars. Right panel: relationship between flare activity and Ro. The blue line is at Ro = 0.1. The red line is the fitting line of all samples. If the distribution trend of data points changes significantly near Ro = 0.1, fit the samples on both sides with yellow and pink lines respectively. The fitting range is not completely divided according to Ro = 0.1, but the properly adjusted boundary remains within Ro = 0.1–0.13.

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