Fraction of photons that hit the accretion disk over the total number of photons as a function of distance from the black hole at which they escape, h, for different values of the optical depth, τ_∥, and radius, R₀, of the outflow. The distribution is shown for a mildly relativistic outflow (γ₀ = 2.24, i.e., v₀ = 0.8c) and a nonrelativistic outflow (γ₀ = 1.10, i.e., v₀ = 0.1c).