Ross 989

[ α=7.5h, δ=36.2° | M4.0V | d=12.0 pc ]
GJ 277 B , HIP 36627 , TYC 2465-1600-1
Best fit:
Tstar = 3240 ± 20 K , Lstar = 0.0186 ± 0.0001 LSun , Rstar = 0.432 ± 0.004 RSun