diff options
Diffstat (limited to 'fg21sim')
| -rw-r--r-- | fg21sim/extragalactic/clusters/halo.py | 55 |
1 files changed, 6 insertions, 49 deletions
diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py index f18e16a..4d0e41b 100644 --- a/fg21sim/extragalactic/clusters/halo.py +++ b/fg21sim/extragalactic/clusters/halo.py @@ -125,11 +125,6 @@ class RadioHalo: gamma : 1D float `~numpy.ndarray` The Lorentz factors of the adopted logarithmic grid to solve the equation. - electron_spec : 1D float `~numpy.ndarray` - The derived electron (number density) distribution/spectrum at - the final time (``zend``), which is set by the methods - ``self.calc_electron_spectrum()`` or ``self.set_electron_spectrum()``. - Unit: [cm^-3] _acceleration_disabled : bool Whether the turbulence acceleration is intentionally disabled? """ @@ -464,7 +459,7 @@ class RadioHalo: Returns ------- - electron_spec : float 1D `~numpy.ndarray` + n_e : float 1D `~numpy.ndarray` The solved electron spectrum at ``tstop``. Unit: [cm^-3] """ @@ -474,35 +469,7 @@ class RadioHalo: tstop = self.age_obs if n0_e is None: n0_e = self.electron_spec_init - - # Decrease the time step when the evolution time is short. - # (necessary?) - nstep_min = 20 - if tstop - tstart < self.time_step * nstep_min: - self.fpsolver.tstep = (tstop - tstart) / nstep_min - logger.debug("Decreased time step: %g -> %g [Gyr]" % - (self.time_step, self.fpsolver.tstep)) - - self.electron_spec = self.fpsolver.solve(u0=n0_e, tstart=tstart, - tstop=tstop) - return self.electron_spec - - def set_electron_spectrum(self, n_e): - """ - Check the given electron spectrum and set it to the - ``self.electron_spec``. - - Parameters - ---------- - n_e : float 1D `~numpy.ndarray` - The solved electron spectrum at ``zend``. - Unit: [cm^-3] - """ - n_e = np.array(n_e) # make a copy - if n_e.shape == self.gamma.shape: - self.electron_spec = n_e - else: - raise ValueError("given electron spectrum has wrong shape!") + return self.fpsolver.solve(u0=n0_e, tstart=tstart, tstop=tstop) def fp_injection(self, gamma, t=None): """ @@ -624,6 +591,7 @@ class RadioHalo: def mass_main(self, t): """ Calculate the main cluster mass at the given (cosmic) time. + Unit: [Msun] NOTE ---- @@ -631,16 +599,10 @@ class RadioHalo: 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). - - Returns - ------- - mass : float - The mass of the main cluster. - Unit: [Msun] """ t0 = self.age_begin rate = (self.M_obs - self.M_main) / (self.age_obs - t0) - mass = rate * (t - t0) + self.M_main + mass = rate * (t - t0) + self.M_main # [Msun] return mass def magnetic_field(self, t): @@ -648,16 +610,11 @@ class RadioHalo: Calculate the mean magnetic field strength of the main cluster mass at the given (cosmic) time. - Returns - ------- - B : float - The mean magnetic field strength of the main cluster. - Unit: [uG] + Unit: [uG] """ z = COSMO.redshift(t) mass = self.mass_main(t) # [Msun] - B = helper.magnetic_field(mass=mass, z=z, configs=self.configs) - return B + return helper.magnetic_field(mass=mass, z=z, configs=self.configs) @lru_cache() def _gas_density_profile_f(self, t=None): |