Open Access
Fig. 4
Periodograms of activity indicators for Gl96 – from top to bottom panels: Hα
index, 
index, NaI index, and CCF bisector. The horizontal lines correspond to 50%, 10%, and 1% FAP, respectively. For the NaI index and CCF bisector, no horizontal lines are visible because the entire periodogram is beneath the 50% FAP line.
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