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Fig. 5
Sketch of the Galactic coordinate system in which the projection is done. The Galactocentric radius of the Sun is assumed to be R0 = 8.0 kpc, while the cluster orbits at RC = 8.5 kpc on a circular orbit. The abbreviations denote the Galactic north (NGP) and south (SGP) Pole and the Galactic center (GC).
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