FIRE Spectroscopy of the Ultra-cool Brown Dwarf, UGPS J072227.51-054031.2: Kinematics, Rotation and Atmospheric ParametersNov 1, 2011·John J. Bochanski,Adam J. Burgasser,Robert A. Simcoe,Andrew A. West· 0 min read Cite DOI arXivTypeJournal articlePublicationajLast updated on Aug 13, 2025Brown Dwarfs Infrared: Stars Stars: Fundamental Parameters Stars: Individual: UGPS J072227.51-054031.2 Stars: Kinematics and Dynamics Stars: Low-Mass Astrophysics - Solar and Stellar Astrophysics ← The Sloan Digital Sky Survey Data Release 7 M Dwarf Spectroscopic Catalog Dec 1, 2011Discovery of a Companion at the L/T Transition with the Wide-field Infrared Survey Explorer Oct 1, 2011 →