Fig. 5.

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Results of 196 optimisation runs. We first computed 1000 steps of dual-annealing, the result of which was then used to initialise a Nealder-Mead optimisation stage. The best solution for the 0.83–0.87 light fraction (maroon) and 0.92–0.96 light fraction (blue) was then used to initialise a uniformly distributed ‘ball’ of MCMC walkers, the results of which are presented in Sect. 3.1.1.
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