HD 28978
        [
        
        
        α=4.6h, δ=5.6°
        
        
        
        | A2IV
        
        
        
        | d=143.8 pc
        
        
        ]
    
    
    
    
        
        
        HD 28978
        
        
        ,
        
        HIP 21295
        
        
        ,
        
        HR 1448
        
        
        ,
        
        TYC 90-642-1
        
    
    
    
    
    
    
    
        Best fit:
        
        Tstar = 8500 ± 70 K , Lstar = 88 ± 4 LSun , Rstar = 4.32 ± 0.08 RSun
        
        Tdust = 340 ± 50 K , RBB = 6 ± 2 au , Ldisk/Lstar = 0.0001 ± 2e-05  , λ0 = 100 ± 200 μm , β = 1 ± 1