Fig. 8

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Distribution of the winding time tfit in the ring Rg = 8– 8.5 kpc. The filled pink, yellow, green, and purple areas represent KDE-smoothed distributions for the TP (static), TP (Sgr), TP (Sgr+wake), and N-body models, respectively. Each row corresponds to a different time, separated by ∼0.1 Gyr. The vertical lines indicate the actual time elapsed since the first pericentric passage.
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