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Fig. 10

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ER sizes in the NIR and optical as a function of time (points; optical from Larsson et al. 2019), and the best expansion velocity fit to the NIR size (line). Only epochs of >7000 days are included in the fit. After 7000 days, the ER sizes and expansion velocities determined from optical and NIR hotspots are practically identical, and even before that the sizes are consistent within ~1σ.

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