2MASS J21103147-2710578

[ α=21.2h, δ=-27.2° | M4.5 | d=40.4 pc ]
Best fit:
Tstar = 2936 ± 6 K , Lstar = 0.0171 ± 0.0001 LSun , Rstar = 0.505 ± 0.003 RSun