Observed SEDs and best-fitting results. Left panels: Observed SEDs of QSOs J183+05, J1342+0928 (top and bottom row) as cyan diamonds. The best-fitting curve is shown as a solid blue line. Right panels: Corner plot showing the posterior probability distributions of T_dust, M_dust, and β. The solid orange lines indicate the best-fitting value for each parameter, and the dashed lines mark the 16th and 84th percentiles for each parameter.