G 139-3

[ α=17.0h, δ=14.0° | M4.0V | d=17.8 pc ]
GJ 3981
Best fit:
Tstar = 3170 ± 7 K , Lstar = 0.0126 ± 0.001 LSun , Rstar = 0.37 ± 0.02 RSun