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-rw-r--r--fg21sim/extragalactic/clusters/halo.py10
1 files changed, 7 insertions, 3 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index 5df47cd..03e891c 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -90,7 +90,7 @@ class RadioHalo:
considering only losses and constant injection, in order to derive
an approximately steady electron spectrum for following use;
5. Calculate the magnetic field from the cluster total mass (which
- is assumed to be growth linearly from M_main+M_sub to M_obs);
+ is assumed to be growth linearly from M_main to M_obs);
6. Calculate the energy losses for the coefficients of Fokker-Planck
equation;
7. Solve the Fokker-Planck equation to derive the relativistic
@@ -789,8 +789,12 @@ class RadioHalo:
NOTE
----
- We assume that the main cluster grows (i.e., gains mass) linearly
- in time from (M_main, z_merge) to (M_obs, z_obs).
+ Since we currently only consider the last major merger event,
+ there may be a long time between ``z_merger`` and ``z_obs``.
+ So we assume that the main cluster grows linearly in time from
+ (M_main, z_merger) to (M_obs, z_obs).
+
+ TODO: consider the full merging history.
Parameters
----------