Total number of mistakes (plain line) and total number of false detections (dashed lines) on 1000 simulated systems as a function of the threshold (from top to bottom: periodogram + BF, ℓ₁ periodogram and BF, FIP) for different assumptions on the priors (see Sect. 6.3). In blue: correct priors (1.5–100 days log-uniform in period Rayleigh with σ = 1.5 ms⁻¹ on K); in purple: 1.5–10 000 days log-uniform in period; in yellow: Rayleigh with σ = 3m s⁻¹ on K; in red: log-uniform on [0.1, 10] m s⁻¹ on K. The dashed lines represent the number of false detections as a function of the detection threshold and plain lines represent the total number of mistakes (false and missed detection) as a function of the threshold.