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| author | Aaron LI <aly@aaronly.me> | 2019-01-29 18:58:10 +0800 |
|---|---|---|
| committer | Aaron LI <aly@aaronly.me> | 2019-01-29 18:58:10 +0800 |
| commit | 54434d4b24104457d04af79a1a75ecf713c07bc1 (patch) | |
| tree | 4ca127d88a8ddbe0b1923e8fc651abda1fcff534 | |
| parent | 25f2c500cba5b4395cfbd5910efe8fccd0cc3fce (diff) | |
| download | fg21sim-54434d4b24104457d04af79a1a75ecf713c07bc1.tar.bz2 | |
clusters/halo: Add options bolo_freq_{min,max,num}
Update the default bolometric frequency band to: 10 MHz -- 100 GHz.
| -rw-r--r-- | fg21sim/configs/config.spec | 8 | ||||
| -rw-r--r-- | fg21sim/extragalactic/clusters/emission.py | 2 | ||||
| -rw-r--r-- | fg21sim/extragalactic/clusters/halo.py | 11 |
3 files changed, 18 insertions, 3 deletions
diff --git a/fg21sim/configs/config.spec b/fg21sim/configs/config.spec index 25c972a..2faac91 100644 --- a/fg21sim/configs/config.spec +++ b/fg21sim/configs/config.spec @@ -437,3 +437,11 @@ stream = option("stderr", "stdout", "", default="stderr") f_rc = float(default=0.1) # The slope parameter (i.e., beta). beta = float(default=0.8) + + # The minimum and maximum frequencies as well as the number of frequency + # points for calculating the total radio emissivity, which is used to + # approximate the bolometric emissivity. + # Unit: [MHz] + bolo_freq_min = float(default=10) + bolo_freq_max = float(default=1e5) + bolo_freq_num = integer(default=256) diff --git a/fg21sim/extragalactic/clusters/emission.py b/fg21sim/extragalactic/clusters/emission.py index 5e92f36..0767159 100644 --- a/fg21sim/extragalactic/clusters/emission.py +++ b/fg21sim/extragalactic/clusters/emission.py @@ -305,7 +305,7 @@ class HaloEmission: emissivity = syncem.emissivity(frequencies) return emissivity - def calc_emissivity_bolo(self, freq_min=100, freq_max=1e5, freq_num=256): + def calc_emissivity_bolo(self, freq_min=10, freq_max=1e5, freq_num=256): """ Calculate the bolometric emissivity, which is approximated as the integration over a finite but broad enough frequency band. diff --git a/fg21sim/extragalactic/clusters/halo.py b/fg21sim/extragalactic/clusters/halo.py index e3521fe..2078ad1 100644 --- a/fg21sim/extragalactic/clusters/halo.py +++ b/fg21sim/extragalactic/clusters/halo.py @@ -166,6 +166,9 @@ class RadioHalo1M: self.injection_index = configs.getn(comp+"/injection_index") self.f_rc = configs.getn(comp+"/f_rc") self.beta = configs.getn(comp+"/beta") + self.bolo_freq_min = configs.getn(comp+"/bolo_freq_min") + self.bolo_freq_max = configs.getn(comp+"/bolo_freq_max") + self.bolo_freq_num = configs.getn(comp+"/bolo_freq_num") def _set_solver(self): self.fpsolver = FokkerPlanckSolver( @@ -510,12 +513,16 @@ class RadioHalo1M: Acceleration factor of the bolometric emissivity. """ haloem = HaloEmission(gamma=self.gamma, n_e=n_e, B=1) - em = haloem.calc_emissivity_bolo() + em = haloem.calc_emissivity_bolo(freq_min=self.bolo_freq_min, + freq_max=self.bolo_freq_max, + freq_num=self.bolo_freq_num) if n_e_fiducial is None: n_e_fiducial = self.calc_electron_spectrum(fiducial=True) haloem.n_e = n_e_fiducial - em_fiducial = haloem.calc_emissivity_bolo() + em_fiducial = haloem.calc_emissivity_bolo( + freq_min=self.bolo_freq_min, freq_max=self.bolo_freq_max, + freq_num=self.bolo_freq_num) return em / em_fiducial |