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            diskm: accretion disk with gas pressure viscosity

A disk model with gas pressure viscosity. The spectrum from an accretion disk where the viscosity scales as the gas pressure. From Stella and Rosner 1984, ApJ, 277, 312.

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

2cos(i)/d^2 where i is the inclination of the disk and d is the distance in units of 10 kpc