Near-IR and optical radial velocities of the active M dwarf star Gl 388 (AD Leo) with SPIRou at CFHT and SOPHIE at OHP - A 2.23 day rotation period and no evidence for a corotating planet

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Fig. 3

Periodograms and phase-folded RVs of the HARPS1, HARPS2, and SOPHIE data sets. The horizontal lines mark FAP levels of 0.1,1, and 10%. A prominent peak is observed in all the periodograms at 2.23 days, the rotational period of the star, with aliases at 1.81 and 0.69 days. The DACE Keplerian model with period P =2.23 days used to phase-fold each data set is described in Table 2.

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