Anisotropy parameter radial profile. The colored solid lines show the anisotropy profile as a function of the free parameter d. The distribution of the stellar orbits associated with the adopted distribution function is characterized by isotropy in the central region and radially biased anisotropy in the outer parts, which becomes more prominent as the value of d increases. The dashed, dashed-dotted, and dotted gray curves represent, respectively, the isotropic, radial, and Osipkov–Merritt anisotropy profiles of Table 5.