BD+05 1668

[ α=7.5h, δ=5.2° | M3.5V | d=3.8 pc ]
GJ 273 , HIP 36208 , TYC 173-3208-1
Best fit:
Tstar = 3223 ± 3 K , Lstar = 0.01019 ± 6e-05 LSun , Rstar = 0.324 ± 0.002 RSun