Ross 331

[ α=3.0h, δ=36.6° | M3.66 | d=23.2 pc ]
GJ 3190
Best fit:
Tstar = 3298 ± 6 K , Lstar = 0.0179 ± 0.0001 LSun , Rstar = 0.41 ± 0.003 RSun