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).