galpy.potential.omegac

galpy.potential.omegac(Pot, R)

NAME:

omegac

PURPOSE:

calculate the circular angular speed velocity at R in potential Pot

INPUT:

Pot - Potential instance or list of such instances

R - Galactocentric radius

OUTPUT:

circular angular speed

HISTORY:

2011-10-09 - Written - Bovy (IAS)