Comparison of MSC APs with the GALAH catalogue for 11 263 binary stars. From top to bottom, we compare the seven parameters inferred by MSC on the y-axes with the GALAH literature values on the x-axes: T_eff and log g for the two components of the system, [M/H], distance, and A₀ (Table D.2 lists the corresponding catalogue field names). In each panel, we indicate the 1:1 line for reference, and the colour corresponds to the average astrophysical_parameters.logposterior_msc of all stars per bin. We provide associated statistics in Table 5.