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-rw-r--r--fg21sim/extragalactic/clusters/halo.py6
1 files changed, 4 insertions, 2 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py
index d543dcc..281093d 100644
--- a/fg21sim/extragalactic/clusters/halo.py
+++ b/fg21sim/extragalactic/clusters/halo.py
@@ -404,7 +404,7 @@ class RadioHalo:
"""
# Accumulated electrons constantly injected until ``age_merger``
n_inj = self.fp_injection(self.gamma)
- n0_e = n_inj * self.age_merger
+ n0_e = n_inj * (self.age_merger - self.time_init)
logger.debug("Derive the initial electron spectrum ...")
# NOTE: subtract ``time_step`` to avoid the acceleration at the
@@ -760,7 +760,9 @@ class RadioHalo:
# Always use the properties at ``age_merger`` to derive the
# initial electron spectrum.
if t < self.age_merger:
- t = self.age_merger
+ # NOTE: subtract ``time_step`` to make sure ``fp_diffusion()``
+ # gives no acceleration.
+ t = self.age_merger - self.time_step
gamma = np.asarray(gamma)
advection = (abs(self._loss_ion(gamma, t)) +