galpy.potential.epifreq

galpy.potential.epifreq(Pot, R, t=0.0)[source]

Calculate the epicycle frequency at R in the potential Pot.

Parameters:
  • Pot (Potential instance or list thereof) – Potential instance or list thereof.

  • R (float or Quantity) – Galactocentric radius.

  • t (float or Quantity, optional) – Time (default: 0).

Returns:

Epicycle frequency.

Return type:

float or Quantity

Notes

  • 2012-07-25 - Written - Bovy (IAS)