galpy.potential
galpy.potential.Potential.vesc
galpy.potential.Potential.z2deriv
Potential.
vterm
NAME:
PURPOSE:
calculate the terminal velocity at l in this potential
INPUT:
l - Galactic longitude [deg/rad; can be Quantity) deg= if True (default), l in deg
l - Galactic longitude [deg/rad; can be Quantity)
deg= if True (default), l in deg
OUTPUT:
terminal velocity
HISTORY:
2013-05-31 - Written - Bovy (IAS)