* 61 Cyg A

[ α=21.1h, δ=38.7° | K5V | d=3.5 pc ]
* 61 Cyg A , GJ 820 A , HD 201091 , HIP 104214 , HR 8085 , TYC 3168-2800-1
Best fit:
Tstar = 3870 ± 90 K , Lstar = 0.103 ± 0.006 LSun , Rstar = 0.71 ± 0.02 RSun