galpy.potential.tdyn¶
- galpy.potential.tdyn(Pot, R, t=0.0)[source]¶
Calculate the dynamical time from tdyn^2 = 3pi/[G<rho>].
- Parameters:
Pot (Potential instance or list thereof) – Potential instance or list of instances.
R (float or Quantity) – Galactocentric radius.
t (float or Quantity, optional) – Time (default: 0.0).
- Returns:
Dynamical time.
- Return type:
float
Notes
2021-03-18 - Written - Bovy (UofT)