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Clipped fstarofz such that 0<SFE<1 #34

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Merged
JulianBMunoz merged 1 commit into from
Oct 28, 2025
Merged

Clipped fstarofz such that 0<SFE<1 #34

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9 changes: 6 additions & 3 deletions zeus21/sfrd.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,6 +7,9 @@

Edited by Hector Afonso G. Cruz
JHU - July 2024

Edited by Emily Bregou
UT Austin - October 2025
"""

from . import cosmology
Expand Down Expand Up @@ -681,10 +684,10 @@ def Mmol(Astro_Parameters, Cosmo_Parameters, J21LW_interp, z, vCB):
def fstarofz(Astro_Parameters, Cosmo_Parameters, z, Mhlist):
epsstar_ofz = Astro_Parameters.epsstar * 10**(Astro_Parameters.dlog10epsstardz * (z-Astro_Parameters._zpivot) )
if Cosmo_Parameters.Flag_emulate_21cmfast == False:
return 2.0 * Cosmo_Parameters.OmegaB/Cosmo_Parameters.OmegaM * epsstar_ofz\
/(pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.alphastar) + pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.betastar) )
return Cosmo_Parameters.OmegaB/Cosmo_Parameters.OmegaM * np.clip(2.0 * epsstar_ofz\
/(pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.alphastar) + pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.betastar) ), 0, 1)
elif Cosmo_Parameters.Flag_emulate_21cmfast == True:
return Cosmo_Parameters.OmegaB/Cosmo_Parameters.OmegaM * epsstar_ofz /(pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.alphastar))
return Cosmo_Parameters.OmegaB/Cosmo_Parameters.OmegaM * np.clip(epsstar_ofz /(pow(Mhlist/Astro_Parameters.Mc,- Astro_Parameters.alphastar)), 0, 1)


###HAC: Added fstar for PopIII
Expand Down