Fig. 7

Upper panel: Keplerian fit (solid line) of a 32.3-day orbit to the S10 data (black dots), excluding the last two RV epochs. The RMS to the fit is 55 m s-1. Lower panel: LS periodogram of the S10 data shown in the upper panel. The two highest peaks correspond to 15.2 days and 32.3 days. The three horizontal lines correspond from bottom to top to FAP of 0.01, 0.001 and 0.0001, respectively.
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