LP 640-43

[ α=22.6h, δ=-1.1° | M4.5 | d=22.2 pc ]
GJ 4284
Best fit:
Tstar = 3096 ± 4 K , Lstar = 0.00485 ± 4e-05 LSun , Rstar = 0.242 ± 0.001 RSun