galpy.potential
galpy.potential.planarAxiPotential.vcirc
galpy.potential.evaluateplanarphiforces
Potential.
vesc
NAME:
PURPOSE:
calculate the escape velocity at R for this potential
INPUT:
R - Galactocentric radius (can be Quantity) t - time (optional; can be Quantity)
R - Galactocentric radius (can be Quantity)
t - time (optional; can be Quantity)
OUTPUT:
escape velocity
HISTORY:
2011-10-09 - Written - Bovy (IAS)