Long-term stellar activity of M dwarfs - A combined K2 and TESS study of two early M-type stars

Open Access

Fig. 11.

Variability amplitude for the individual rotation cycles in the K2 and TESS light curves of EPIC 245919787. The blue circle and the red square mark the ${\bar{A}}_{var}$ $\bar{A}_{\mathrm{var}}$ values that we then used in the spot modeling. The best fitting sine function with the cycle period found by Distefano et al. (2017) in ASAS data is also shown.

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