aboutsummaryrefslogtreecommitdiffstats
path: root/fg21sim/extragalactic/clusters/helper.py
diff options
context:
space:
mode:
Diffstat (limited to 'fg21sim/extragalactic/clusters/helper.py')
-rw-r--r--fg21sim/extragalactic/clusters/helper.py8
1 files changed, 6 insertions, 2 deletions
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py
index d77c63e..86662e1 100644
--- a/fg21sim/extragalactic/clusters/helper.py
+++ b/fg21sim/extragalactic/clusters/helper.py
@@ -153,7 +153,9 @@ def kT_cluster(mass, z=0.0, radius=None):
the cluster (near the virial radius) which can heat the gas,
therefore the ICM has a higher temperature than the virial
temperature, which can be estimated as:
- T_icm = T_vir + 1.5*T_1 ~ T_vir + 0.8 [keV]
+ kT_icm ~ kT_vir + 1.5 * kT_out
+ where kT_out the temperature of the outer gas surround the cluster,
+ which may be ~0.5-1.0 keV.
Reference: Ref.[fujita2003],Eq.(49)
@@ -163,8 +165,10 @@ def kT_cluster(mass, z=0.0, radius=None):
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 + 0.8
+ kT_icm = kT_vir + 1.5*kT_out
return kT_icm