The Gaia Ultracool Dwarf Sample -- VI. Spectral Types and Properties of 51 Ultracool Dwarfs

Gemma Cheng, H. R. A. Jones, R. L. Smart +7

Near-infrared spectra from the IRTF/SpeX and Blanco/ARCoIRIS telescope/instrument combinations are used for spectroscopic classification, to measure radial velocities and for the i…