Posterior distribution of parameters T_kin, lοg₁₀(n(Η₂)), and log₁₀(N_mol/ΔV) based on modeling CH₃OH (E-tyρe) lines at the dust peak (upper left), the CH₃OH peak (upper right), the HNCO peak (lower left), and the c-C₃H₂ peak (lower right). All three parameters are kept free. In these plots and the plots in Figs. A.2–A.4, the vertical dashed lines in the one-dimensional histograms show the quantiles of 10%, 25%, 50%, 75%, and 90%. The contour levels in the two-dimensional histograms indicate Ο.5σ 1σ 1.5σ and 2σ respectively.