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