NFWProfile

class gammapy.astro.darkmatter.NFWProfile

Bases: DMProfile

NFW Profile.

\[\rho(r) = \rho_s \frac{r_s}{r}\left(1 + \frac{r}{r_s}\right)^{-2}\]

Parameters:

r_sQuantity

Scale radius, \(r_s\).

rho_sQuantity

Characteristic density, \(\rho_s\).

References

• Navarro et al. (1997), “A Universal Density Profile from Hierarchical Clustering”

• Marco et al. (2011), “PPPC 4 DM ID: a poor particle physicist cookbook for dark matter indirect detection”

Attributes Summary

DEFAULT_SCALE_RADIUS

Default scale radius as given in reference 2

Methods Summary

evaluate(radius, r_s, rho_s)

Evaluate the profile.

Attributes Documentation

DEFAULT_SCALE_RADIUS = <Quantity 24.42 kpc>

Default scale radius as given in reference 2

Methods Documentation

static evaluate(radius, r_s, rho_s)

Evaluate the profile.

__init__(r_s=None, rho_s=<Quantity 1. GeV / cm3>)

classmethod __new__(*args, **kwargs)