galpy.potential.Potential.vterm

Potential.vterm(l, t=0.0, deg=True)

Calculate the terminal velocity at l in this potential.

Parameters:

• l (float or Quantity) – Galactic longitude [deg/rad; can be Quantity).

• t (float or Quantity, optional) – Time. Default: 0.0.

• deg (bool, optional) – If True (default), l in deg.

Returns:

Terminal velocity.

Return type:

float or Quantity

Notes

• 2013-05-31 - Written - Bovy (IAS).