Fig. 4
Periodogram of the RVs at each step of constructing our Keplerian model (see Sect. 3.3). We highlight (red arrows) the selected period (highest peak) for each planet: 10.87, 5.76, 7.28, and 25.2 d. We also show (bottom) the periodogram of the residuals. Intermediate values of the planetary and noise parameters are given in Table 2.
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