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Fig. 10

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Top: periodogram of the RVs obtained using the full spectral range of HARPS. Bottom: periodogram of the BIS. The 1% FAP threshold is illustrated as solid horizontal lines in both panels. The four peaks in the bottom panel are likely strong aliases of the same signal (2.22 days would be compatible with the photometric period of the star). Note that their average FAP is only 5%.

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