galpy.potential.planarPotential.__call__¶
- planarPotential.__call__(R, phi=0.0, t=0.0, dR=0, dphi=0)[source]¶
NAME:
__call__
PURPOSE:
evaluate the potential
INPUT:
R - Cylindrica radius (can be Quantity)
phi= azimuth (optional; can be Quantity)
t= time (optional; can be Quantity)
OUTPUT:
Phi(R(,phi,t)))
HISTORY:
2010-07-13 - Written - Bovy (NYU)