χ² convergence (red) for joint model; individual contributions (LC, VIS, CLO, T3, SED, SPE, VAMP, VPHI) are also indicated. The model successfully converges to a local minimum. Some datasets have a substantially larger number of observations, (i.e. effectively a larger weight). The χ² values are different from Table 1 because the model was re-converged several times, and uncertainties of some datasets were modified.