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Fig. 1


Radial velocity curve (top panel) and residuals (middle panel) of CoRoT-20 from FIES (orange), HARPS (purple), and SOPHIE (blue). Generalized Lomb–Scargle periodogram (bottom panel) of the RVs after subtraction of the two orbits. False-alarm probability levels are plotted for 50%, 10%, and 1%.

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