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→Description of the model: added velocity dispersion from Meiron and Kocsis (2018) |
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:<math> \Phi_P(r) = -\frac{G M}{\sqrt{r^2+a^2}}\,,</math>
where ''G'' is [[Isaac Newton|Newton]]'s [[gravitational constant]]. The velocity dispersion is
:<math> \sigma_P^2(r) = -\frac{G M}{6\sqrt{r^2+a^2}}\,.</math>
== Properties ==
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