MOST data obtained in 2015 after pre-whitening (top panels, see Sect. 3.1) and after the correction of the Earth stray-light variations (bottom panels, see Sect. 3.2). We show the relative flux phase folded at the satellite period (left, binned into 1 min), a period of 12 h (middle, binned into 5 min), and the planet period (right, binned into 5 min). In the bottom panels, observations detrended by the classical procedure (see Sect. 3.2.1) are shown in blue and by the time-shift procedure (see Sect. 3.2.2) in red. In these plots, the uncertainties are based on the original unscaled photometric uncertainties.