HD 38B

[ α=0.1h, δ=45.8° | M0.5V | d=11.5 pc ]
GJ 4 B , HD 38B , TYC 3246-874-2
Best fit:
Tstar = 6660 ± 40 K , Lstar = 0.0283 ± 0.0002 LSun , Rstar = 0.127 ± 0.002 RSun