Hypervirial Models of Stellar Systems by N. W. Evans and J. An
ID: hypervirial-models-of-stellar-systems-by-n-w-evans-and-j-an
Monthly Notices of the Royal Astronomical Society 360, pp.492–498. Section 2.2, equations(18)–(20), derives the power-law constant-anisotropy density and moments with explicit integrability conditions.
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