Offset between the injected and retrieved values of the separation (left panel), ρ, position angle (center panel), θ, and flux contrast (right panel), δ, for the NB4.05 dataset of HIP 65426. The precision of the figure of merit was tested at 360 position angles with the best-fit separation and contrast from the MCMC analysis (see Fig. 4). The vertically dashed lines indicate the 16th, 50th, and 84th percentiles of the samples from which the uncertainties in the title above each panel have been derived.