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2.1.2. Inclination Angle

As the inclination angle at which the disk is viewed is increased, the observed equivalent width is depressed due to the extra absorption and scattering suffered by the iron line photon as it leaves the disk surface at an oblique angle. Ghisellini, Haardt & Matt (1994) find that

Equation

where µ = cos i, i being the angle between the line-of-sight and the normal to the reflecting surface.