Fig. 8.
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Reduced chi-squared as a function of break frequency for the three fits shown in Figure 7. There are two minima for the DRW fit to the ASAS-SN PSDs, but the minimum at the higher frequency is in the noise-dominated region, so the low-frequency break is used. The dashed blue lines indicate the local minima and the dotted red lines indicate the 1-sigma confidence level.
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