FaucherKaspi2006

class gammapy.astro.population.FaucherKaspi2006(amplitude=1, r_0=7.04, sigma=1.83, **kwargs)

Bases: astropy.modeling.Fittable1DModel

Radial distribution of the birth surface density of pulsars in the galaxy - Faucher-Giguere & Kaspi 2006.

\[f(r) = A \frac{1}{\sqrt{2 \pi} \sigma} \exp \left(- \frac{(r - r_0)^2}{2 \sigma ^ 2}\right)\]

Reference: http://adsabs.harvard.edu/abs/2006ApJ...643..332F (Appendix B)

Parameters:

amplitude : float

See model formula

r_0 : float

See model formula

sigma : float

See model formula

See also

CaseBattacharya1998, Paczynski1990, YusifovKucuk2004, Lorimer2006, YusifovKucuk2004B, Exponential

Attributes Summary

amplitude
evolved
param_names
r_0
sigma

Methods Summary

evaluate(r, amplitude, r_0, sigma)

One dimensional Faucher-Giguere & Kaspi 2006 model function

Attributes Documentation

amplitude

evolved = False

param_names = ('amplitude', 'r_0', 'sigma')

r_0

sigma

Methods Documentation

static evaluate(r, amplitude, r_0, sigma)

One dimensional Faucher-Giguere & Kaspi 2006 model function