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-rw-r--r--fg21sim/extragalactic/clusters/halo.py9
-rw-r--r--fg21sim/extragalactic/clusters/main.py2
2 files changed, 7 insertions, 4 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index b4c6388..d11004f 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -158,6 +158,7 @@ class RadioHalo:
The time duration of the sub-cluster crossing the main cluster,
which is also used to approximate the merging time, during which
the turbulence acceleration is regarded as effective.
+
Unit: [Gyr]
"""
return helper.time_crossing(self.M_main, self.M_sub,
@@ -168,6 +169,7 @@ class RadioHalo:
"""
The halo radius derived from the virial radius by a scaling
relation.
+
Unit: [kpc]
"""
mass = self.M_main + self.M_sub # [Msun]
@@ -178,6 +180,7 @@ class RadioHalo:
def angular_radius(self):
"""
The angular radius of the radio halo.
+
Unit: [arcsec]
"""
DA = COSMO.DA(self.z_obs) * 1e3 # [Mpc] -> [kpc]
@@ -188,10 +191,10 @@ class RadioHalo:
def volume(self):
"""
The halo volume, calculated from the above radius.
- Unit: [cm^3]
+
+ Unit: [kpc^3]
"""
- r_cm = self.radius * AUC.kpc2cm
- return (4*np.pi/3) * r_cm**3
+ return (4*np.pi/3) * self.radius**3
@property
def magnetic_field(self):
diff --git a/fg21sim/extragalactic/clusters/main.py b/fg21sim/extragalactic/clusters/main.py
index c4c8517..3db9fa1 100644
--- a/fg21sim/extragalactic/clusters/main.py
+++ b/fg21sim/extragalactic/clusters/main.py
@@ -268,7 +268,7 @@ class GalaxyClusters:
"gamma": halo.gamma, # Lorentz factors
"radius": halo.radius, # [kpc]
"angular_radius": halo.angular_radius, # [arcsec]
- "volume": halo.volume, # [cm^3]
+ "volume": halo.volume, # [kpc^3]
"B": halo.magnetic_field, # [uG]
"n_e": n_e, # [cm^-3]
"frequencies": self.frequencies, # [MHz]