From a8a02a96a78a85ffacf52aa43c158ecc24391af3 Mon Sep 17 00:00:00 2001
From: Aaron LI <aly@aaronly.me>
Date: Sat, 21 Oct 2017 22:10:31 +0800
Subject: clusters/halos: Add more cluster and halo properties

* Rvir0, Rvir_main, Rvir_sub
* kT_main, kT_sub (replace kT_merger)
* radius -> Rhalo, angular_radius -> Rhalo_angular, B -> B0
---
 fg21sim/extragalactic/clusters/halo.py | 37 +++++++++++++++++++++++++++-------
 fg21sim/extragalactic/clusters/main.py | 14 ++++++++-----
 2 files changed, 39 insertions(+), 12 deletions(-)

(limited to 'fg21sim/extragalactic/clusters')

diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index e6fe152..4bba5a9 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -184,6 +184,27 @@ class RadioHalo:
         return helper.time_crossing(self.M_main, self.M_sub,
                                     z=self.z_merger)
 
+    @property
+    def radius_virial_obs(self):
+        """
+        The virial radius of the "current" cluster (``M_obs``) at
+        ``z_obs``.
+
+        Unit: [kpc]
+        """
+        return helper.radius_virial(mass=self.M_obs, z=self.z_obs)
+
+    @property
+    def radius_virial_main(self):
+        """
+        The virial radius of the main cluster at ``z_merger``.
+        """
+        return helper.radius_virial(mass=self.M_main, z=self.z_merger)
+
+    @property
+    def radius_virial_sub(self):
+        return helper.radius_virial(mass=self.M_sub, z=self.z_merger)
+
     @property
     def radius(self):
         """
@@ -232,21 +253,23 @@ class RadioHalo:
         return helper.magnetic_field(mass=self.M_obs, z=self.z_obs)
 
     @property
-    def kT_merger(self):
+    def kT_main(self):
         """
-        The cluster ICM mean temperature at ``z_merger`` when the merger
-        begins.
+        The mean temperature of the main cluster ICM at ``z_merger``
+        when the merger begins.
 
         Unit: [keV]
         """
-        mass = self.M_main + self.M_sub
-        kT = helper.kT_cluster(mass, z=self.z_merger)
-        return kT
+        return helper.kT_cluster(mass=self.M_main, z=self.z_merger)
+
+    @property
+    def kT_sub(self):
+        return helper.kT_cluster(mass=self.M_sub, z=self.z_merger)
 
     @property
     def kT_obs(self):
         """
-        The cluster ICM mean temperature at ``z_obs``.
+        The "current" cluster ICM mean temperature at ``z_obs``.
         """
         return helper.kT_cluster(self.M_obs, z=self.z_obs)  # [keV]
 
diff --git a/fg21sim/extragalactic/clusters/main.py b/fg21sim/extragalactic/clusters/main.py
index 6f76619..506e77c 100644
--- a/fg21sim/extragalactic/clusters/main.py
+++ b/fg21sim/extragalactic/clusters/main.py
@@ -262,7 +262,9 @@ class GalaxyClusters:
             data = OrderedDict([
                 ("z0", halo.z_obs),
                 ("M0", halo.M_obs),  # [Msun]
+                ("Rvir0", halo.radius_virial_obs),  # [kpc]
                 ("kT0", halo.kT_obs),  # [keV]
+                ("B0", halo.magnetic_field),  # [uG] magnetic field at z_obs
                 ("lon", row.lon),  # [deg] longitude
                 ("lat", row.lat),  # [deg] longitude
                 ("felong", row.felong),  # Fraction of elongation
@@ -270,13 +272,15 @@ class GalaxyClusters:
                 ("M_main", halo.M_main),  # [Msun]
                 ("M_sub", halo.M_sub),  # [Msun]
                 ("z_merger", halo.z_merger),
+                ("kT_main", halo.kT_main),  # [keV] main cluster kT at z_merger
+                ("kT_sub", halo.kT_sub),  # [keV] sub-cluster kT at z_merger
+                ("Rvir_main", halo.radius_virial_main),  # [kpc] at z_merger
+                ("Rvir_sub", halo.radius_virial_sub),  # [kpc] at z_merger
                 ("tback_merger", halo.tback_merger),  # [Gyr]
                 ("time_crossing", halo.time_crossing),  # [Gyr]
-                ("radius", halo.radius),  # [kpc]
-                ("angular_radius", halo.angular_radius),  # [arcsec]
+                ("Rhalo", halo.radius),  # [kpc]
+                ("Rhalo_angular", halo.angular_radius),  # [arcsec]
                 ("volume", halo.volume),  # [kpc^3]
-                ("B", halo.magnetic_field),  # [uG]
-                ("kT_merger", halo.kT_merger),  # [keV] ICM kT at z_merger
                 ("Ke", halo.injection_rate),  # [cm^-3 Gyr^-1]
                 ("chi", halo._chi_acceleration()),  # [Gyr^-1]
                 ("gamma", halo.gamma),  # Lorentz factors
@@ -335,7 +339,7 @@ class GalaxyClusters:
             i += 1
             if i % 100 == 0:
                 logger.info("[%d/%d] %.1f%% ..." % (i, num, 100*i/num))
-            theta_e = hdict["angular_radius"] / self.sky.pixelsize
+            theta_e = hdict["Rhalo_angular"] / self.sky.pixelsize
             rprofile = helper.halo_rprofile(re=theta_e)
             template = helper.draw_halo(rprofile, felong=hdict["felong"],
                                         rotation=hdict["rotation"])
-- 
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