UNCOVER NIRSpec/PRISM Spectroscopy Unveils Evidence of Early Core Formation in a Massive, Centrally Dusty Quiescent Galaxy at $z_{spec}=3.97$

David J. Setton, Gourav Khullar, Tim B. Miller +28

We report the spectroscopic confirmation of a massive ($\log (M_{\star }/M_{\odot })=10.34{\pm }_{0.07}^{0.06}$), HST-dark ($m_{F150W}-m_{F444W}=3.6$) quiescent galaxy at…