Periodograms of the original SPIRou RVs (top) and after the wapiti correction (bottom), on which the period with the highest power correspond to the planet signal at 11.2 days. The horizontal dashed lines in blue, orange, and green depict the FAP at 10, 1, and 0.1%, respectively. The vertical line indicates the stellar rotation period at 103.1 days. Details odf the wapiti correction can be found in Sect. 2.2.2.