MiyamotoNagaiPotential¶
-
class
gala.potential.
MiyamotoNagaiPotential
(m, a, b, units)¶ Bases:
gala.potential.CPotentialBase
Miyamoto-Nagai potential for a flattened mass distribution.
\[\Phi(R,z) = -\frac{G M}{\sqrt{R^2 + (a + \sqrt{z^2 + b^2})^2}}\]See: http://adsabs.harvard.edu/abs/1975PASJ...27..533M
Parameters: m : numeric
Mass.
a : numeric
Scale length.
b : numeric
Scare height.
units :
UnitSystem
(optional)Set of non-reducable units that specify (at minimum) the length, mass, time, and angle units.