Chemical tagging with APOGEE, MUSE, and HST: constraints on the formation of $\ddot{I}‰$ Centauri

Andrew C. Mason, Ricardo P. Schiavon, Sebastian Kamann +9

A plethora of evidence suggests that $\ddot{I}‰$ Centauri ($\ddot{I}‰$ Cen) is the nuclear star cluster of a galaxy that merged with the Milky Way in early times. We use APOGEE, Gaia, MUSE, and…