LP 684-17

[ α=16.1h, δ=-6.3° | M4.5 | d=17.6 pc ]
GJ 3937
Best fit:
Tstar = 2912 ± 3 K , Lstar = 0.00271 ± 2e-05 LSun , Rstar = 0.205 ± 0.001 RSun