def test_synchrotron(self):
import naima
particle_distribution = naima.models.LogParabola(
amplitude=2e33 / u.eV, e_0=10 * u.TeV, alpha=1.3, beta=0.5
)
radiative_model = naima.radiative.Synchrotron(particle_distribution, B=2 * u.G)
model = NaimaSpectralModel(radiative_model)
for p in model.parameters:
assert p._type == "spectral"
val_at_2TeV = 1.0565840392550432e-24 * u.Unit("cm-2 s-1 TeV-1")
integral_1_10TeV = 4.449186e-13 * u.Unit("cm-2 s-1")
eflux_1_10TeV = 4.594121e-13 * u.Unit("TeV cm-2 s-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
assert_quantity_allclose(
model.integral(energy_min=self.energy_min, energy_max=self.energy_max),
integral_1_10TeV,
rtol=1e-5,
)
assert_quantity_allclose(
model.energy_flux(energy_min=self.energy_min, energy_max=self.energy_max),
eflux_1_10TeV,
rtol=1e-5,
)
val = model(self.e_array)
assert val.shape == self.e_array.shape
model.B.value = 3 # update B
val_at_2TeV = 5.1985064062296e-16 * u.Unit("cm-2 s-1 TeV-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
def test_pion_decay(self):
import naima
particle_distribution = naima.models.PowerLaw(
amplitude=2e33 / u.eV, e_0=10 * u.TeV, alpha=2.5
)
radiative_model = naima.radiative.PionDecay(
particle_distribution, nh=1 * u.cm ** -3
)
model = NaimaSpectralModel(radiative_model)
for p in model.parameters:
assert p._type == "spectral"
val_at_2TeV = 9.725347355450884e-14 * u.Unit("cm-2 s-1 TeV-1")
integral_1_10TeV = 3.530537143620737e-13 * u.Unit("cm-2 s-1")
eflux_1_10TeV = 7.643559573105779e-13 * u.Unit("TeV cm-2 s-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
assert_quantity_allclose(
model.integral(energy_min=self.energy_min, energy_max=self.energy_max),
integral_1_10TeV,
)
assert_quantity_allclose(
model.energy_flux(energy_min=self.energy_min, energy_max=self.energy_max),
eflux_1_10TeV,
)
val = model(self.e_array)
assert val.shape == self.e_array.shape
model.amplitude.error = 0.1 * model.amplitude.value
out = model.evaluate_error(1 * u.TeV)
assert_allclose(out.data, [5.266068e-13, 5.266068e-14], rtol=1e-3)
def test_ic(self):
import naima
particle_distribution = naima.models.ExponentialCutoffBrokenPowerLaw(
amplitude=2e33 / u.eV,
e_0=10 * u.TeV,
alpha_1=2.5,
alpha_2=2.7,
e_break=900 * u.GeV,
e_cutoff=10 * u.TeV,
)
radiative_model = naima.radiative.InverseCompton(
particle_distribution, seed_photon_fields=["CMB"]
)
model = NaimaSpectralModel(radiative_model)
val_at_2TeV = 4.347836316893546e-12 * u.Unit("cm-2 s-1 TeV-1")
integral_1_10TeV = 1.595813e-11 * u.Unit("cm-2 s-1")
eflux_1_10TeV = 2.851283e-11 * u.Unit("TeV cm-2 s-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
assert_quantity_allclose(
model.integral(emin=self.emin, emax=self.emax), integral_1_10TeV, rtol=1e-5
)
assert_quantity_allclose(
model.energy_flux(emin=self.emin, emax=self.emax), eflux_1_10TeV, rtol=1e-5
)
val = model(self.e_array)
assert val.shape == self.e_array.shape
def test_pion_decay(self):
import naima
particle_distribution = naima.models.PowerLaw(amplitude=2e33 / u.eV,
e_0=10 * u.TeV,
alpha=2.5)
radiative_model = naima.radiative.PionDecay(particle_distribution,
nh=1 * u.cm**-3)
model = NaimaSpectralModel(radiative_model)
val_at_2TeV = 9.725347355450884e-14 * u.Unit("cm-2 s-1 TeV-1")
integral_1_10TeV = 3.530537143620737e-13 * u.Unit("cm-2 s-1")
eflux_1_10TeV = 7.643559573105779e-13 * u.Unit("TeV cm-2 s-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
assert_quantity_allclose(
model.integral(emin=self.emin, emax=self.emax), integral_1_10TeV)
assert_quantity_allclose(
model.energy_flux(emin=self.emin, emax=self.emax), eflux_1_10TeV)
val = model(self.e_array)
assert val.shape == self.e_array.shape
def test_synchrotron(self):
import naima
particle_distribution = naima.models.LogParabola(amplitude=2e33 / u.eV,
e_0=10 * u.TeV,
alpha=1.3,
beta=0.5)
radiative_model = naima.radiative.Synchrotron(particle_distribution,
B=2 * u.G)
model = NaimaSpectralModel(radiative_model)
val_at_2TeV = 1.0565840392550432e-24 * u.Unit("cm-2 s-1 TeV-1")
integral_1_10TeV = 4.4491861907713736e-13 * u.Unit("cm-2 s-1")
eflux_1_10TeV = 4.594120986691428e-13 * u.Unit("TeV cm-2 s-1")
value = model(self.energy)
assert_quantity_allclose(value, val_at_2TeV)
assert_quantity_allclose(
model.integral(emin=self.emin, emax=self.emax), integral_1_10TeV)
assert_quantity_allclose(
model.energy_flux(emin=self.emin, emax=self.emax), eflux_1_10TeV)
val = model(self.e_array)
assert val.shape == self.e_array.shape
