Chemical tagging with APOGEE, MUSE, and HST: constraints on the formation of $\omega$ Centauri

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

A plethora of evidence suggests that $\omega$ Centauri ($\omega$ 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…