G 184-19B

[ α=18.7h, δ=24.8° | M4.5Ve | d=9.9 pc ]
GJ 1230 B
Best fit:
Tstar = 3080 ± 80 K , Lstar = 0.0029 ± 0.0002 LSun , Rstar = 0.193 ± 0.007 RSun