Fig. 5
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Flare decay e-folding time τ vs. flare energy Eflare for the OM flare, and the TESS flares. The dashed and dotted lines show the τ−Eflare relations from Eqs. (7) and (8) for different loop magnetic field strengths and loop sizes, respectively. For comparison, we show the TESS flares of the active M4 dwarf YZ CMi (Maehara et al. 2021) and a range of nearby M dwarfs from TESS with large flares (Ramsay et al. 2021).
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