Seyfert AGN — Accretion Disk Multi-Temperature Spectrum

Black Hole Mass (M☉)10⁷·⁵ M☉

Accretion Rate (Eddington)0.10 Ṁₑ

Spin Parameter a0.50

Inclination (deg)30°

X-ray Γ (power law)1.80

Corona fraction0.10

Disk (multi-BB)

X-ray Corona

IR Torus

Total SED

Shakura-Sunyaev disk: T(r) ∝ (M·Ṁ)^(1/4) · r^(-3/4). Multi-color blackbody: each annulus emits as Planck function. ISCO depends on spin (r_ISCO = 1–9 Rg). X-ray corona: power-law Γ. IR from dusty torus reprocessing. SED spans radio to X-ray.