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Fig. 4


Radial profile of the anisotropy parameter β(r) defined in Eq. (3), obtained from the simulated cluster data. The two-parameter model by (Mamon & Łokas 2005) is fitted to the data points. We find β = 0.66 ± 0.36 and rβ = 0.82 ± 1.11. Concerning this result, a vanishing β would also be allowed.

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