galpy.potential.Potential.lindbladR

Potential.lindbladR(OmegaP, m=2, t=0.0, **kwargs)[source]

Calculate the radius of a Lindblad resonance.

Parameters:

  • OmegaP (float or Quantity) – Pattern speed.

  • m (int or str, optional) – Order of the resonance (as in m(O-Op)=kappa (negative m for outer)). Use m=’corotation’ for corotation. Default: 2.

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

  • **kwargs (dict, optional) – Additional parameters passed to scipy.optimize.brentq.

Returns:

Radius of Lindblad resonance. None if there is no resonance.

Return type:

float or Quantity or None

Notes

  • 2011-10-09 - Written - Bovy (IAS)