Ross 439

[ α=9.5h, δ=-7.4° | M2.5 | d=17.5 pc ]
GJ 347 A , HIP 46488 , TYC 4893-604-1
Best fit:
Tstar = 3429 ± 5 K , Lstar = 0.0197 ± 0.0001 LSun , Rstar = 0.398 ± 0.002 RSun