def test_dmfluxmap(jfact):
emin = 0.1 * u.TeV
emax = 10 * u.TeV
massDM = 1 * u.TeV
channel = "W"
diff_flux = DarkMatterAnnihilationSpectralModel(mass=massDM,
channel=channel)
int_flux = (jfact *
diff_flux.integral(emin=emin, emax=emax)).to("cm-2 s-1")
actual = int_flux[5, 5]
desired = 1.94834138e-12 / u.cm**2 / u.s
assert_quantity_allclose(actual, desired, rtol=1e-5)
def test_DMAnnihilation():
channel = "b"
massDM = 5 * u.TeV
jfactor = 3.41e19 * u.Unit("GeV2 cm-5")
energy_min = 0.01 * u.TeV
energy_max = 10 * u.TeV
model = DarkMatterAnnihilationSpectralModel(
mass=massDM, channel=channel, jfactor=jfactor
)
integral_flux = model.integral(energy_min=energy_min, energy_max=energy_max).to(
"cm-2 s-1"
)
differential_flux = model.evaluate(energy=1 * u.TeV, scale=1).to("cm-2 s-1 TeV-1")
assert_quantity_allclose(integral_flux.value, 6.19575457e-14, rtol=1e-3)
assert_quantity_allclose(differential_flux.value, 2.97506768e-16, rtol=1e-3)
axes[0].legend()
plt.subplots_adjust(hspace=0.5)
# ## Flux maps
#
# Finally flux maps can be produced like this:
# In[ ]:
channel = "Z"
massDM = 10 * u.TeV
diff_flux = DarkMatterAnnihilationSpectralModel(mass=massDM, channel=channel)
int_flux = (jfact * diff_flux.integral(emin=0.1 * u.TeV, emax=10 * u.TeV)).to(
"cm-2 s-1"
)
# In[ ]:
flux_map = WcsNDMap(geom=geom, data=int_flux.value, unit="cm-2 s-1")
fig, ax, im = flux_map.plot(cmap="viridis", norm=LogNorm(), add_cbar=True)
plt.title(
"Flux [{}]\n m$_{{DM}}$={}, channel={}".format(
int_flux.unit, fluxes.mDM.to("TeV"), fluxes.channel
)
);
ax=ax,
label=channel,
flux_unit="1/GeV",
)
axes[0].legend()
plt.subplots_adjust(hspace=0.5)
# ## Flux maps
#
# Finally flux maps can be produced like this:
# In[11]:
channel = "Z"
massDM = 10 * u.TeV
diff_flux = DarkMatterAnnihilationSpectralModel(mass=massDM, channel=channel)
int_flux = (jfact * diff_flux.integral(energy_min=0.1 * u.TeV,
energy_max=10 * u.TeV)).to("cm-2 s-1")
# In[12]:
flux_map = WcsNDMap(geom=geom, data=int_flux.value, unit="cm-2 s-1")
fig, ax, im = flux_map.plot(cmap="viridis", norm=LogNorm(), add_cbar=True)
plt.title(
f"Flux [{int_flux.unit}]\n m$_{{DM}}$={fluxes.mDM.to('TeV')}, channel={fluxes.channel}"
)
# In[ ]: