galpy.df.sphericaldf.sigmat

sphericaldf.sigmat(r)

Calculate the tangential velocity dispersion at radius r.

Parameters:

r (float) – Spherical radius at which to calculate the tangential velocity dispersion.

Returns:

The tangential velocity dispersion at radius r.

Return type:

float or Quantity

Notes

• 2020-09-04 - Written - Bovy (UofT)