FaucherKaspi2006VelocityMaxwellian

class gammapy.astro.population.FaucherKaspi2006VelocityMaxwellian(amplitude=1, sigma=265, **kwargs)

Bases: astropy.modeling.Fittable1DModel

Maxwellian pulsar velocity distribution.

\[f(v) = A \sqrt{ \frac{2}{\pi}} \frac{v ^ 2}{\sigma ^ 3 } \exp \left(-\frac{v ^ 2}{2 \sigma ^ 2} \right)\]

Reference: http://adsabs.harvard.edu/abs/2006ApJ...643..332F

Parameters:

amplitude : float

Value of the integral

sigma : float

Velocity parameter (km s^-1)

Attributes Summary

amplitude
param_names
sigma

Methods Summary

evaluate(v, amplitude, sigma)

One dimensional Faucher-Guigere & Kaspi 2006 velocity model function

Attributes Documentation

amplitude

param_names = ('amplitude', 'sigma')

sigma

Methods Documentation

static evaluate(v, amplitude, sigma)

One dimensional Faucher-Guigere & Kaspi 2006 velocity model function