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astro-ph2008★ 1 cited
Dynamical modelling of the elliptical galaxy NGC 2974
Zhenglu Jiang
In this paper we analyse the relations between a previously described oblate Jaffe model for an ellipsoidal galaxy and the observed quantities for NGC 2974, and obtain the length a…
astro-ph2008★ 4 cited
Two-integral distribution functions for axisymmetric stellar systems with separable densities
Zhenglu Jiang, Leonid Ossipkov
We show different expressions of distribution functions (DFs) which depend only on the two classical integrals of the energy and the magnitude of the angular momentum with respect…