Bayesian posteriors for the host masses of the planetary systems KMT-2023-BLG-0416L, KMT-2023-BLG-1454L, and KMT-2023-BLG-1642L. For KMT-2023-BLG-0416 and KMT-2023-BLG-1642 with varying θ_E values depending on local solutions, multiple posteriors corresponding to the individual solutions are presented. For these events, the relative probability is scaled by applying a factor exp(−∆χ²/2), where ∆χ² denotes the difference in χ² compared to the best-fit solution. The posterior of KMT-2023-BLG-1642 associated with the solution B is not prominently visible because of the very small scale factor.