SphericalNFWPotential¶
-
class
gala.potential.
SphericalNFWPotential
(v_c, r_s, units)¶ Bases:
gala.potential.CPotentialBase
Spherical NFW potential. Separate from the triaxial potential below to optimize for speed. Much faster than computing the triaxial case.
\[\Phi(r) = -\frac{v_c^2}{\sqrt{\ln 2 - \frac{1}{2}}} \frac{\ln(1 + r/r_s)}{r/r_s}\]Parameters: v_c : numeric
Circular velocity at the scale radius.
r_s : numeric
Scale radius.
units :
UnitSystem
(optional)Set of non-reducable units that specify (at minimum) the length, mass, time, and angle units.