EinastoProfile¶
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class
gammapy.astro.darkmatter.profiles.
EinastoProfile
(r_s=None, alpha=None, rho_s=<Quantity 1. GeV / cm3>)[source]¶ Bases:
gammapy.astro.darkmatter.profiles.DMProfile
Einasto Profile.
\[\rho(r) = \rho_s \exp{ \left(-\frac{2}{\alpha}\left[ \left(\frac{r}{r_s}\right)^{\alpha} - 1\right] \right)}\]- Parameters
References
Attributes Summary
Default scale radius as given in reference 2
Default scale radius as given in reference 2
Methods Summary
__call__
(radius)Call evaluate method of derived classes.
evaluate
(radius, r_s, alpha, rho_s)integral
(rmin, rmax, **kwargs)Integrate squared dark matter profile numerically.
Scale to local density.
Attributes Documentation
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DEFAULT_ALPHA
= 0.17¶ Default scale radius as given in reference 2
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DEFAULT_SCALE_RADIUS
= <Quantity 28.44 kpc>¶ Default scale radius as given in reference 2
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DISTANCE_GC
= <Quantity 8.33 kpc>¶
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LOCAL_DENSITY
= <Quantity 0.3 GeV / cm3>¶
Methods Documentation
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__call__
(radius)¶ Call evaluate method of derived classes.
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integral
(rmin, rmax, **kwargs)¶ Integrate squared dark matter profile numerically.
\[F(r_{min}, r_{max}) = \int_{r_{min}}^{r_{max}}\rho(r)^2 dr\]- Parameters
- rmin, rmax
Quantity
Lower and upper bound of integration range.
- **kwargsdict
Keyword arguments passed to
integrate_spectrum()
- rmin, rmax
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scale_to_local_density
()¶ Scale to local density.