IsothermalProfile

class gammapy.astro.darkmatter.IsothermalProfile

Bases: DMProfile

Isothermal Profile.

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

Parameters:

r_sQuantity

Scale radius, \(r_s\).

References

• Begeman et al. (1991), “Extended rotation curves of spiral galaxies : dark haloes and modified dynamics”

• 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 4.38 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)