Radial temperature profiles (solid lines) calculated by RADMC-3D assuming different ISRF intensity, and the corresponding LOS mass averaged temperature profiles (dash-dotted lines). The vertical solid line in grey indicates the position within which gas density is above 10⁵ cm⁻³ for each core. The vertical dotted line mark the effective radius of the obtained T_kin map from fitting the NH₃ (1,1) and (2,2) lines.