Behaviour of the best-fit A_g, I_p/I_★, occultation depth and R_p/R_★ parameters with respect to the pre-whitening. The dark blue dots with error bars and the red dashed lines are the same as in Fig. 3. The respective parameters from Sector 10, 37, and 64 are shown in grey, light blue, and pink, respectively. The pink points and error bars are also slightly offset on the x-axis for better visibility.