J1250+0455AB an ultracool binary in a hierarchical triple system

Sayan Baig, R. L. Smart, Hugh R. A. Jones +7

We report the discovery of the ultracool dwarf binary system J1250+0455AB, a low-mass (M${}_{\odot }$${}_{\mathrm{tot}}<$ 0.2 M${}_{\odot }$) system in which the components straddle the M/L dwa…