diff options
Diffstat (limited to 'fg21sim')
| -rw-r--r-- | fg21sim/extragalactic/clusters/halo.py | 11 | ||||
| -rw-r--r-- | fg21sim/extragalactic/clusters/helper.py | 43 |
2 files changed, 40 insertions, 14 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py index 0921103..50d7c6d 100644 --- a/fg21sim/extragalactic/clusters/halo.py +++ b/fg21sim/extragalactic/clusters/halo.py @@ -268,9 +268,10 @@ class RadioHalo1M: The ICM mean temperature of the main cluster. Unit: [keV] """ + kT_out = self.configs.getn("extragalactic/clusters/kT_out") M_main = self.mass_main(t) z = COSMO.redshift(t) - return helper.kT_cluster(mass=M_main, z=z, configs=self.configs) + return helper.kT_cluster(mass=M_main, z=z, kT_out=kT_out) def tau_acceleration(self, t): """ @@ -367,9 +368,10 @@ class RadioHalo1M: ---------- Ref.[cassano2005],Eqs.(31,32,33) """ + kT_out = self.configs.getn("extragalactic/clusters/kT_out") s = self.injection_index e_th = helper.density_energy_thermal(self.M_obs, self.z_obs, - configs=self.configs) + kT_out=kT_out) term1 = (s-2) * self.eta_e * e_th # [erg cm^-3] term2 = self.gamma_min**(s-2) term3 = AU.mec2 * self.age_obs # [erg Gyr] @@ -630,9 +632,12 @@ class RadioHalo1M: Unit: [uG] """ + eta_b = self.configs.getn("extragalactic/clusters/eta_b") + kT_out = self.configs.getn("extragalactic/clusters/kT_out") z = COSMO.redshift(t) mass = self.mass_main(t) # [Msun] - return helper.magnetic_field(mass=mass, z=z, configs=self.configs) + return helper.magnetic_field(mass=mass, z=z, + eta_b=eta_b, kT_out=kT_out) @lru_cache() def _rho_gas_f(self, t): diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py index 6af0d06..c4b3d72 100644 --- a/fg21sim/extragalactic/clusters/helper.py +++ b/fg21sim/extragalactic/clusters/helper.py @@ -76,7 +76,12 @@ def beta_model(rho0, rc, beta): return func -def calc_gas_density_profile(mass, z, f_rc=0.1, beta=0.8): +def calc_gas_density_profile( + mass, + z, + f_rc=CONFIGS.getn("extragalactic/halos/f_rc"), + beta=CONFIGS.getn("extragalactic/halos/beta"), + ): """ Calculate the parameters of the β-model that is used to describe the gas density profile. @@ -162,7 +167,13 @@ def radius_virial(mass, z=0.0): return radius_overdensity(mass, overdensity=Dc, z=z) -def radius_stripping(M_main, M_sub, z, f_rc=0.1, beta=0.8): +def radius_stripping( + M_main, + M_sub, + z, + f_rc=CONFIGS.getn("extragalactic/halos/f_rc"), + beta=CONFIGS.getn("extragalactic/halos/beta"), + ): """ Calculate the stripping radius of the in-falling sub-cluster, which is determined by the equipartition between the static and ram pressure. @@ -223,7 +234,12 @@ def kT_virial(mass, z=0.0, radius=None): return kT -def kT_cluster(mass, z=0.0, radius=None, configs=CONFIGS): +def kT_cluster( + mass, + z=0.0, + radius=None, + kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"), + ): """ Calculate the temperature of a cluster ICM. @@ -245,8 +261,6 @@ def kT_cluster(mass, z=0.0, radius=None, configs=CONFIGS): The temperature of the cluster ICM. Unit: [keV] """ - key = "extragalactic/clusters/kT_out" - kT_out = configs.getn(key) kT_vir = kT_virial(mass=mass, z=z, radius=radius) kT_icm = kT_vir + 1.5*kT_out return kT_icm @@ -290,7 +304,11 @@ def density_gas(mass, z=0.0): return density_number_thermal(mass, z) * AC.mu*AC.u # [g/cm^3] -def density_energy_thermal(mass, z=0.0, configs=CONFIGS): +def density_energy_thermal( + mass, + z=0.0, + kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"), + ): """ Calculate the thermal energy density of the ICM. @@ -301,7 +319,7 @@ def density_energy_thermal(mass, z=0.0, configs=CONFIGS): Unit: [erg/cm^3] """ n_th = density_number_thermal(mass=mass, z=z) # [cm^-3] - kT = kT_cluster(mass, z, configs=configs) * AUC.keV2erg # [erg] + kT = kT_cluster(mass, z, kT_out=kT_out) * AUC.keV2erg # [erg] e_th = (3.0/2) * kT * n_th return e_th @@ -328,7 +346,12 @@ def density_energy_electron(n_e, gamma): return integrate.simps(e_spec * gamma, np.log(gamma)) # in log grid -def magnetic_field(mass, z=0.0, configs=CONFIGS): +def magnetic_field( + mass, + z=0.0, + eta_b=CONFIGS.getn("extragalactic/clusters/eta_b"), + kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"), + ): """ Calculate the mean magnetic field strength within the ICM, which is also assumed to be uniform, according to the assumed fraction of the @@ -345,9 +368,7 @@ def magnetic_field(mass, z=0.0, configs=CONFIGS): The mean magnetic field strength within the ICM. Unit: [uG] """ - key = "extragalactic/clusters/eta_b" - eta_b = configs.getn(key) - e_th = density_energy_thermal(mass=mass, z=z, configs=configs) + e_th = density_energy_thermal(mass=mass, z=z, kT_out=kT_out) B = np.sqrt(8*np.pi * eta_b * e_th) * 1e6 # [G] -> [uG] return B |