Fig. 3.
Orbits of all known GCs projected on the same plane in this region using the orbital parameters listed by Perez-Villegas et al. (2020). Metal-rich ([Fe/H] > −1.0 dex) and metal-poor ([Fe/H] < −1.0 dex) cluster orbits are drawn with red and blue solid lines, respectively. The death zone where no GC can survive is clearly seen within half a degree of the Galactic centre.
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