galpy.potential.Potential.epifreq

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

Calculate the epicycle frequency at R in this potential.

Parameters:
  • R (float or Quantity) – Galactocentric radius.

  • t (float or Quantity, optional) – Time. Default: 0.0

Returns:

Epicycle frequency.

Return type:

float or Quantity

Notes

  • 2011-10-09 - Written - Bovy (IAS)