[L92b] Mark A

[ α=20.7h, δ=-10.8° | sdO | d=389.4 pc ]
NAME Mark A , NAME Mrk 509C , NAME Mrk A
Best fit:
Tstar = 26000 ± 2000 K , Lstar = 7 ± 1 LSun , Rstar = 0.13 ± 0.01 RSun
Tdust = 750 ± 40 K , RBB = 0.36 ± 0.04 au , Ldisk/Lstar = 0.00011 ± 2e-05 , λ0 = 100 ± 200 μm , β = 1.6 ± 0.9