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-rw-r--r--fg21sim/extragalactic/clusters/helper.py8
1 files changed, 8 insertions, 0 deletions
diff --git a/fg21sim/extragalactic/clusters/helper.py b/fg21sim/extragalactic/clusters/helper.py
index e9fa338..ad43f32 100644
--- a/fg21sim/extragalactic/clusters/helper.py
+++ b/fg21sim/extragalactic/clusters/helper.py
@@ -257,6 +257,14 @@ def density_number_thermal(mass, z=0.0):
return n_th
+def density_gas(mass, z=0.0):
+ """
+ Calculate the mean gas density.
+ Unit: [g/cm^3]
+ """
+ return density_number_thermal(M_main, z) * AC.mu*AC.u # [g/cm^3]
+
+
def density_energy_thermal(mass, z=0.0, configs=CONFIGS):
"""
Calculate the thermal energy density of the ICM.