Second example of an SPT, in the axi-symmetric case, between an SIS with mass distribution κ(θ) and other mass distributions , characterized by a deformation function where we set θ1 = θE, β0 = 3θE/ 2, and different values of a = 0,1 / 4,1 / 2,3 / 4,1. For a = 0 (blue curve), the original SIS is obtained; for a = 1 (red curve), behaves like (θ1/θE)2 for large radii. As before, θ is given in units of the Einstein radius θE.
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