Total (gas + dust) density and temperature profiles of DoAr44, with the assumed metallicity of Z=0.0122. The model is composed of four segments (from left to right): 1. A hot optically thin shell where Hα emission originates; 2. An innermost disc, which presumably feeds the accretion shell; 3. An intermediate disc, necessary to explain the SED in the mid-IR region; 4. A cold outer disc, visible with the ALMA. Between the intermediate and the outer disc, a large ≈ 30 au cavity is present.