galpy.potential.Potential.tdyn

Potential.tdyn(R, t=0.0)[source]

NAME:

tdyn

PURPOSE:

calculate the dynamical time from tdyn^2 = 3pi/[G<rho>]

INPUT:

R - Galactocentric radius (can be Quantity)

t= (0.) time (optional; can be Quantity)

OUTPUT:

Dynamical time

HISTORY:

2021-03-18 - Written - Bovy (UofT)