Fig. 8
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Present-day inclination between the orbital angular momentum and the internal spin vector (see Eq. (5)) as a function of the number of orbits around the Galaxy. Cluster ages are from Cantat-Gaudin et al. (2020), and orbital periods were computed using the axisymmetric potential from Bovy (2015). The gray area highlights the range of η corresponding to a prograde rotation.
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