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