* sig Boo
[
α=14.6h, δ=29.7°
| F4VkF2mF1
| d=15.7 pc
]
* 28 Boo
,
* sig Boo
,
GJ 557
,
GJ 557.0
,
HD 128167
,
HIP 71284
,
HR 5447
,
TYC 2021-1323-1
Best fit:
Tstar = 6850 ± 30 K , Lstar = 3.21 ± 0.03 LSun , Rstar = 1.27 ± 0.01 RSun
Tdust = 80 ± 40 K , RBB = 20 ± 30 au , Ldisk/Lstar = 7e-06 ± 7e-06 , λ0 = 100 ± 300 μm , β = 1.1 ± 1