diff options
Diffstat (limited to 'fg21sim/extragalactic')
| -rw-r--r-- | fg21sim/extragalactic/clusters/main.py | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/fg21sim/extragalactic/clusters/main.py b/fg21sim/extragalactic/clusters/main.py index c84ca01..4e2c1c3 100644 --- a/fg21sim/extragalactic/clusters/main.py +++ b/fg21sim/extragalactic/clusters/main.py @@ -357,22 +357,37 @@ class GalaxyClusters: ii = i + 1 if ii % 100 == 0: logger.info("[%d/%d] %.1f%% ..." % (ii, num, 100*ii/num)) + haloem = HaloEmission(gamma=hdict["gamma"], n_e=hdict["spectrum"], B=hdict["B"], radius=hdict["Rhalo"], redshift=hdict["z"]) - emissivity = haloem.calc_emissivity(frequencies=self.frequencies) - power = haloem.calc_power(self.frequencies, emissivity=emissivity) - flux = haloem.calc_flux(self.frequencies) - Tb_mean = haloem.calc_brightness_mean(self.frequencies, flux=flux, - pixelsize=self.sky.pixelsize) + freq = self.frequencies + em = haloem.calc_emissivity(freq) + power = haloem.calc_power(freq, emissivity=em) + flux = haloem.calc_flux(freq) + Tb_mean = haloem.calc_brightness_mean( + freq, flux=flux, pixelsize=self.sky.pixelsize) + + # Calculate spectral index with a narrow (10 MHz) band + freq2 = freq + 10 + em2 = haloem.calc_emissivity(freq2) + index = -(np.log(em2)-np.log(em)) / (np.log(freq2)-np.log(freq)) + + haloem.n_e = hdict["spectrum_fiducial"] + em_fiducial = haloem.calc_emissivity(freq) + em_facc = em / em_fiducial + # Update or add new items hdict.update([ - ("frequency", self.frequencies), # [MHz] - ("emissivity", emissivity), # [erg/s/cm^3/Hz] + ("frequency", freq), # [MHz] + ("spec_index", index), + ("emissivity", em), # [erg/s/cm^3/Hz] + ("emissivity_facc", em_facc), ("power", power), # [W/Hz] ("flux", flux), # [Jy] ("Tb_mean", Tb_mean), # [K] ]) + logger.info("Calculated the radio emissions.") def _dropout_halos(self): |