galpy.potential.epifreq¶
-
galpy.potential.
epifreq
(Pot, R, t=0.0)[source]¶ NAME:
epifreqPURPOSE:
calculate the epicycle frequency at R in the potential PotINPUT:
Pot - Potential instance or list thereof
R - Galactocentric radius (can be Quantity)
t - time (optional; can be Quantity)
OUTPUT:
epicycle frequencyHISTORY:
2012-07-25 - Written - Bovy (IAS)