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Fig. 9

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Apo-galacticon Ra against peri-galacticon Rp plane for orbits integrated in the MW2 model during the time interval of 7–8 Gyr. The range of Ra as-well-as of Rp is limited to the 3σ intervals of orbital parameters values of NGC 6791. Each revolution with this Ra and Rp is shown by a point. The color of each point maps the vertical amplitude |z|max. Revolutions that match NGC 6791 for all three orbital parameters (within their 3σ intervals) are marked with squared boxes.

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