G 139-39

[ α=17.5h, δ=14.5° | M4V | d=18.5 pc ]
GJ 1219
Best fit:
Tstar = 3260 ± 7 K , Lstar = 0.00659 ± 6e-05 LSun , Rstar = 0.254 ± 0.002 RSun