galpy.df.quasiisothermaldf.estimate_hr¶
- quasiisothermaldf.estimate_hr(R, z=0.0, dR=1e-08, **kwargs)[source]¶
NAME:
estimate_hr
PURPOSE:
estimate the exponential scale length at R
INPUT:
R - Galactocentric radius (can be Quantity)
z= height (default: 0 pc) (can be Quantity)
dR- range in R to use (can be Quantity)
density kwargs
OUTPUT:
estimated hR
HISTORY:
2012-09-11 - Written - Bovy (IAS)
2013-01-28 - Re-written - Bovy