galpy.df.diskdf.asymmetricdrift

diskdf.asymmetricdrift(R)[source]

Estimate the asymmetric drift (vc-mean-vphi) from an approximation to the Jeans equation.

Parameters:

R (float or Quantity) – Radius at which to calculate the asymmetric drift.

Returns:

Asymmetric drift at R.

Return type:

float

Notes

  • 2011-04-02 - Written - Bovy (NYU).