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Fig. 16
Photometric activity diagnostics versus rotation period for M stars. Red dots – M stars in our sample; black dots – K2 M dwarf sample of Stelzer et al. (2016); gray dots – field M dwarfs in the sample by Mathur et al. (2014a) in the top panel and field M dwarfs from McQuillan et al. (2013) in the bottom panel.
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