Light curve of KMT-2018-BLG-1025. Upper and lower panels: whole view and the zoomed-in view of the peak region, respectively. The colors of data points indicate the observatories, as given in the legend. The curve plotted over the data points is the 1L1S model, for which the residuals in the peak region are presented in the bottom panel. The dotted vertical lines at t₁ ~ 8274.38 and t₂ ~8274.66 indicate the respective times of the bump and dip in the residuals to the 1L1S model.