diff options
Diffstat (limited to 'fg21sim/extragalactic/clusters/halo.py')
| -rw-r--r-- | fg21sim/extragalactic/clusters/halo.py | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py index 8895b3a..3b66407 100644 --- a/fg21sim/extragalactic/clusters/halo.py +++ b/fg21sim/extragalactic/clusters/halo.py @@ -13,6 +13,8 @@ References http://adsabs.harvard.edu/abs/2006MNRAS.369.1577C [3] Cassano et al. 2012, A&A, 548, A100 http://adsabs.harvard.edu/abs/2012A%26A...548A.100C +[4] Donnert 2013, AN, 334, 615 + http://adsabs.harvard.edu/abs/2013AN....334..515D """ import logging @@ -83,6 +85,7 @@ class HaloSingle: """ comp = "extragalactic/halos" self.zmax = self.configs.getn(comp+"/zmax") + self.zbinsize = self.configs.getn(comp+"/zbinsize") # Mass threshold of the sub-cluster for a significant merger self.merger_mass_th = self.configs.getn(comp+"/merger_mass_th") self.radius = self.configs.getn(comp+"/radius") @@ -658,9 +661,10 @@ class HaloSingle: """ if not hasattr(self, "_electron_injection_rate"): e_th = self.e_thermal # [erg/cm^3] + age = self.cosmo(self.z0) term1 = (self.injection_index-2) * self.eta_e term2 = e_th / (self.pmin * self.mec * AC.c) # [cm^-3] - term3 = 1.0 / (self.cosmo.age0 * self.pmin) # [Gyr^-1 mec^-1] + term3 = 1.0 / (age * self.pmin) # [Gyr^-1 mec^-1] Ke = term1 * term2 * term3 self._electron_injection_rate = Ke else: @@ -765,7 +769,7 @@ class HaloSingle: @property def e_thermal(self): """ - Calculate the present-day thermal energy density of the ICM. + Calculate the thermal energy density of the ICM. Returns ------- @@ -777,26 +781,28 @@ class HaloSingle: kT = self.kT_mass(mass) # [keV] N = mass * AUC.Msun2g * f_baryon / (AC.mu * AC.u) E_th = kT*AUC.keV2erg * N # [erg] - Rv = self._radius_virial(mass) * AUC.kpc2cm # [cm] + Rv = self._radius_virial(mass, self.z0) * AUC.kpc2cm # [cm] V = (4*np.pi / 3) * Rv**3 # [cm^3] e_th = E_th / V # [erg/cm^3] return e_th def _n_thermal(self, mass, z=0.0): """ - Calculate the present-day number density of the ICM thermal plasma. + Calculate the number density of the ICM thermal plasma. Parameters ---------- mass : float - Mass (unit: Msun) of the cluster + Mass of the cluster at the redshift + Unit: [Msun] z : float Redshift Returns ------- n_th : float - Number density of the ICM (unit: cm^-3) + Number density of the ICM + Unit: [cm^-3] """ f_baryon = self.cosmo.Ob0 / self.cosmo.Om0 N = mass * AUC.Msun2g * f_baryon / (AC.mu * AC.u) |