CRIRES+ spectra of 30 RGB stars in Liller 1 reveal multi-metallicity sub-populations with abundance trends matching the bulge field and Terzan 5, indicating in-situ formation rather than globular-cluster origin.
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N-body simulations show that mutual interactions between Terzan 2, 4, and 5 raise mass-loss rates for the smaller clusters and drive prolate deformations absent in isolated runs.
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CRIRES+ reveals the chemistry of the stellar sub-populations in the bulge fossil fragment Liller 1
CRIRES+ spectra of 30 RGB stars in Liller 1 reveal multi-metallicity sub-populations with abundance trends matching the bulge field and Terzan 5, indicating in-situ formation rather than globular-cluster origin.
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Dynamical evolution of Milky Way globular clusters on the cosmological timescale II. Terzan 2, 4, and 5 mass loss and collision tracking
N-body simulations show that mutual interactions between Terzan 2, 4, and 5 raise mass-loss rates for the smaller clusters and drive prolate deformations absent in isolated runs.