Fig. 6.

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Top panel: 3D kinematic trajectory of the star since disc ejection. Blue curves show representative spiral arms from Hou & Han (2014). The Sun is marked by the yellow circle and the Galactic centre by the black plus. Bottom panel: 2D plane-crossing contours marking regions where 68% and 95% of the trajectories intersected the Galactic plane when uncertainties were propagated.
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