galpy.potential.planarAxiPotential.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)