diff options
Diffstat (limited to 'fg21sim/extragalactic/clusters/halo.py')
| -rw-r--r-- | fg21sim/extragalactic/clusters/halo.py | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py index 93b3f48..86f85ba 100644 --- a/fg21sim/extragalactic/clusters/halo.py +++ b/fg21sim/extragalactic/clusters/halo.py @@ -210,7 +210,7 @@ class RadioHalo: mass_sub = self.mass_sub(t=t_merger) z_merger = COSMO.redshift(t_merger) vi = helper.velocity_impact(mass_main, mass_sub, z_merger) # [km/s] - distance = 2 * self.radius_turbulence + distance = 2 * self.radius_turbulence(t_merger) uconv = AUC.kpc2km * AUC.s2Gyr # [s kpc/km] => [Gyr] time = uconv * distance / vi # [Gyr] return time @@ -237,17 +237,15 @@ class RadioHalo: @property def radius(self): """ - The estimated radius for the simulated radio halo. + The estimated radius of the simulated radio halo. Unit: [kpc] """ - return self.radius_turbulence + return self.radius_turbulence() - @property @lru_cache - def radius_turbulence(self): + def radius_turbulence(self, t=None): """ - The radius of the turbulence injection regions, and then the - injection scale: L_turb ~= 2*R_turb. + The radius of the turbulence injection region. Unit: [kpc] """ rs = helper.radius_stripping(self.M_main, self.M_sub, self.z_merger, @@ -364,10 +362,10 @@ class RadioHalo: return tau_max t_merger = self._merger_time(t) - L = 2 * self.radius_turbulence # [kpc] + L_turb = 2 * self.radius_turbulence(t_merger) # [kpc] cs = helper.speed_sound(self.kT(t_merger)) # [km/s] - tau = (self.x_cr * cs**3 * L / v_turb = self._velocity_turb(t_merger) # [km/s] + tau = (self.x_cr * cs**3 * L_turb / (16*np.pi * self.zeta_ins * v_turb**4)) # [s kpc/km] tau *= AUC.s2Gyr * AUC.kpc2km # [Gyr] tau *= self.f_acc # custom tune parameter @@ -710,9 +708,9 @@ class RadioHalo: The turbulence velocity dispersion Unit: [km/s] """ - R_turb = self.radius_turbulence # [kpc] z = COSMO.redshift(t) rho_gas_f = self._gas_density_profile_f(t) + R_turb = self.radius_turbulence(t) # [kpc] M_turb = 4*np.pi * integrate.quad(lambda r: rho_gas_f(r) * r**2, a=0, b=R_turb)[0] # [Msun] M_main = self.mass_main(t) |