Results of synthetic cluster experiments for LW 477 (top) and LW 483 (bottom). Once the binary populations of each cluster has been estimated (see text for details) we ran 500 stochastic realisations of synthetic clusters with those properties. We then took cuts across the verticalised main sequence (MS) and main sequence turn-off (MSTO), fit the resultant histograms with Gaussian functions, and plotted the difference between the observations and synthetic cluster widths for the MS (x-axis) and MSTO (y-axis). The large filled red circle represents the mean of the 500 realisations. In both clusters the similar MS width between the simulations and observations shows that the clusters are well reproduced by the adopted population properties. However, in both clusters the MSTO is wider in the observations than expected from the simulations, showing that the clusters do indeed host extended MSTOs.
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