galpy.potential.epifreq

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

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)