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-rw-r--r--fg21sim/extragalactic/clusters/helper.py44
1 files changed, 7 insertions, 37 deletions
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py
index 001ced5..a86206f 100644
--- a/fg21sim/extragalactic/clusters/helper.py
+++ b/fg21sim/extragalactic/clusters/helper.py
@@ -61,7 +61,7 @@ import numpy as np
from scipy import integrate
from scipy import optimize
-from ...share import CONFIGS, COSMO
+from ...share import COSMO
from ...utils.units import (Units as AU,
Constants as AC,
UnitConversions as AUC)
@@ -84,12 +84,7 @@ def beta_model(rho0, rc, beta):
return func
-def calc_gas_density_profile(
- mass,
- z,
- f_rc=CONFIGS.getn("extragalactic/halos/f_rc"),
- beta=CONFIGS.getn("extragalactic/halos/beta"),
- ):
+def calc_gas_density_profile(mass, z, f_rc=0.1, beta=0.8):
"""
Calculate the parameters of the β-model that is used to describe the
gas density profile.
@@ -175,13 +170,7 @@ 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=CONFIGS.getn("extragalactic/halos/f_rc"),
- beta=CONFIGS.getn("extragalactic/halos/beta"),
- ):
+def radius_stripping(M_main, M_sub, z, f_rc=0.1, beta=0.8):
"""
Calculate the stripping radius of the in-falling sub-cluster, which
is determined by the equipartition between the static and ram pressure.
@@ -242,12 +231,7 @@ def kT_virial(mass, z=0.0, radius=None):
return kT
-def kT_cluster(
- mass,
- z=0.0,
- radius=None,
- kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"),
- ):
+def kT_cluster(mass, z=0.0, radius=None, kT_out=0):
"""
Calculate the temperature of a cluster ICM.
@@ -312,11 +296,7 @@ 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,
- kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"),
- ):
+def density_energy_thermal(mass, z=0.0, kT_out=0):
"""
Calculate the thermal energy density of the ICM.
@@ -362,12 +342,7 @@ def density_number_electron(n_e, gamma):
return integrate.simps(n_e * gamma, np.log(gamma)) # in log grid
-def magnetic_field(
- mass,
- z=0.0,
- eta_b=CONFIGS.getn("extragalactic/halos/x_cr"),
- kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"),
- ):
+def magnetic_field(mass, z, eta_b, kT_out=0):
"""
Calculate the mean magnetic field strength within the ICM, which is
also assumed to be uniform, according to the assumed fraction of the
@@ -397,12 +372,7 @@ def magnetic_field(
return B
-def plasma_beta(
- mass,
- z=0.0,
- eta_b=CONFIGS.getn("extragalactic/halos/x_cr"),
- kT_out=CONFIGS.getn("extragalactic/clusters/kT_out"),
- ):
+def plasma_beta(mass, z, eta_b, kT_out=0):
"""
Calculate the β value of the ICM, which is defined as:
β ≡ P_gas / u_B