Marginalised probability distribution of parameters sampled in Section 3.2 as a function of radius in the ring of V892 Tau. The probabilities are normalized to the maximum marginalised probability at each radius to ease the visualisation. The red curve shows the expected value for each parameter, computed following Equation (7). The pink dashed line on the surface-density panel corresponds to a disc-density profile respecting Σ ∝ r⁻¹, while the dashed white lines delimit the simulated parameter space. The dashed orange curve on the temperature panel corresponds to the temperature profile of a passive disc irradiated by a central luminosity of L_* = 144 L_⊙ and having a flaring angle of φ = 0.018 (Chiang & Goldreich 1997; Dullemond et al. 2001). The inset at the top right of each panel corresponds to the geometric mean of the beam size used to smooth the models.