Ross 164

[ α=19.4h, δ=28.4° | M3.5Ve | d=16.8 pc ]
GJ 4109
Best fit:
Tstar = 3239 ± 8 K , Lstar = 0.0167 ± 0.0001 LSun , Rstar = 0.41 ± 0.003 RSun