JADES: An Abundance of Ultra-Distant T- and Y-Dwarfs in Deep Extragalactic Data

Kevin N. Hainline, Jakob M. Helton, Brittany E. Miles +14

Ultra-cool T- (T${}_{\mathrm{eff}}\approx$ 500 - 1200 K) and Y-dwarfs (T${}_{\mathrm{eff}}$ $⪅500$ K) have historically been found only a few hundred parsecs from the Sun.…