Conservative (yellow) and statistical (dark turquoise) detection limits of GJ 163 as function of projected planetary mass and periods, with the respective positions of the detections of GJ 163 b, c, and d. Upper panel shows the limits in a range of periods between 1.6 and 10 000 days, while the lower panel shows a zoomed-in view of these limits for periods between 1.6 and ten days.