Fig. 9
Top: periodogram of the Hα emission index for GJ 3341, with a peak above the 3σ confidence level (continuous line) at 46 d. Middle: the Hα emission index phased to 46 d, which may represent the rotation period. Bottom: RV against Hα index, with colors representing the phase for the 14 d signal as in Fig. 8, T0 from Table 5.
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