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Trojan Globular Clusters: Radial Migration via Trapping in Bar Resonances

  • Authors: Adam M. Dillamore, Stephanie Monty, Vasily Belokurov, N. Wyn Evans

Adam M. Dillamore et al 2024 The Astrophysical Journal Letters 971 .

  • Provider: AAS Journals

Caption: Figure 2.

Present day energy E vs. z-component of angular momentum L z for GCs (left-hand panel), stars with [Fe/H] < −1 (middle panel), and our test particle simulation with a rotating bar (right-hand panel). In each panel the large red points mark the 10 selected GCs with the largest mean changes in L z due to the slowing bar. The black dotted line in the left-hand panel marks the boundary between accreted (higher E) and in situ (lower E) GCs according to Belokurov & Kravtsov (2023, 2024), and the Sun is marked with a ⊙ symbol.

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