A modified blackbody disk model. The spectrum from the inner region of an accretion disk where the viscosity is dominated by radiation pressure.
par1 |
accretion rate in Eddington Luminosities |
par2 |
central mass in solar mass units |
par3 |
inner disk radius in gravitational (= 3 Schwarzschild radii) |
par4 |
viscosity |
norm |
where i is the inclination of the disk and d is the distance in units of 10 kpc |