A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.
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Chemical evolution of the Milky Way disc with radial gas flows: a Lagrangian approach
A Lagrangian model with mild radial gas flows (1.5 km/s) simultaneously reproduces the Milky Way's [O/Fe]-[Fe/H] distribution, stellar surface density profile, abundance gradients, and age-abundance relations under a two-infall scenario.
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Searching for and characterizing halo substructures with the GALAH DR4 survey
Five halo substructures (disk, Splash, GSE, Thamnos1, Thamnos2) are recovered with distinct chemo-dynamical properties supporting extragalactic origins.