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-rw-r--r--fg21sim/extragalactic/clusters/halo.py16
1 files changed, 13 insertions, 3 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index 50c1242..586c7e0 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -68,9 +68,19 @@ class RadioHalo:
only during merger crossing), and then been disabled (i.e.,
only radiation and ionization losses later);
3. Assume the electrons are constantly injected and has a power-law
- energy spectrum;
- 4. Determine the initial electron density
- TODO...
+ energy spectrum, determine the injection rate by further assuming
+ that the total injected electrons has energy of a fraction (eta_e)
+ of the ICM total thermal energy;
+ 4. Set the initial electron density/spectrum be the total injected
+ electrons during t_merger time;
+ 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);
+ 6. Calculate the energy losses for the coefficients of Fokker-Planck
+ equation;
+ 7. Solve the Fokker-Planck equation to derive the relativistic
+ electron spectrum at t_obs (i.e., z_obs);
+ 8. Calculate the synchrotron emissivity from the derived electron
+ spectrum.
Parameters
----------