galpy.df.quasiisothermaldf.estimate_hr¶
- quasiisothermaldf.estimate_hr(R, z=0.0, dR=1e-08, **kwargs)[source]¶
Estimate the exponential scale length at R.
- Parameters:
R (float or Quantity) – Galactocentric radius.
z (float or Quantity, optional) – Height (default: 0 pc).
dR (float or Quantity, optional) – Range in R to use.
**kwargs – Density kwargs.
- Returns:
Estimated hR.
- Return type:
float or Quantity
Notes
2012-09-11 - Written - Bovy (IAS)
2013-01-28 - Re-written - Bovy