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Tidal Debris Candidates from the Centauri Accretion Event and its Role in Building Up the Milky Way Halo
Borja Anguiano, Arik Mitschang, Takanobu Kirihara +11
We identify stellar tidal debris from the Centauri ( Cen) system among field stars in the APOGEE survey via chemical tagging using a neural network trained on APOGEE observa…
Chemical tagging with APOGEE, MUSE, and HST: constraints on the formation of Centauri
Andrew C. Mason, Ricardo P. Schiavon, Sebastian Kamann +9
A plethora of evidence suggests that Centauri ( Cen) is the nuclear star cluster of a galaxy that merged with the Milky Way in early times. We use APOGEE, Gaia, MUSE, and HS…
The contribution of N-rich stars to the Galactic stellar halo using APOGEE red giants
Danny Horta, J. Ted Mackereth, Ricardo P. Schiavon +13
The contribution of dissolved globular clusters (GCs) to the stellar content of the Galactic halo is a key constraint on models for GC formation and destruction, and the mass assem…
IMF and [Na/Fe] abundance ratios from optical and NIR Spectral Features in Early-type Galaxies
F. La Barbera, A. Vazdekis, I. Ferreras +5
We present a joint analysis of the four most prominent sodium-sensitive features (NaD, NaI8190, NaI1.14, and NaI2.21), in the optical and Near-Infrared spectral range, of two nearb…