Surface intensity: A-type stars and Sun

A-star (at85g44n16):
Teff=8500 K, logg=4.4,
252x15 Mm3, 1802x110
A-star (at80g44n10):
Teff=8000 K, logg=4.4,
252x12 Mm3, 1802x90
Sun (gt57g44n67):
Teff=5770 K, logg=4.44,
122x3 Mm3, 4002x150