Fig. 2
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Three-dimensional separation (left) and relative velocity (right) between stars and X7 as a function of time. The two stars closest to X7, S14/S0-16 and S33/S0-30, are shown. S14/S0-16-X7 is displayed as a dotted blue line and S33/S0-30-X7 as a dashed green line. The calculations are shown in the time periods 1800-2050 (left) and 1900-1950 (right).
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