MAGAZ3NE: Far-IR and Radio Insights into the Nature and Properties of Ultramassive Galaxies at $z\gtrsim 3$

Wenjun Chang, Gillian Wilson, Ben Forrest +12

Deep and wide-field near-infrared (NIR) surveys have recently discovered and confirmed ultramassive galaxies (UMGs; $\log (M_{\star }/M_{\odot })>11$) spectroscopically at high redsh…