Ross 820

[ α=18.1h, δ=25.8° | M0V | d=27.8 pc ]
TYC 2095-2638-1
Best fit:
Tstar = 3919 ± 9 K , Lstar = 0.0832 ± 0.0005 LSun , Rstar = 0.626 ± 0.004 RSun