zeus21.constants
================

.. py:module:: zeus21.constants

.. autoapi-nested-parse::

   Keep here all global flags, numerical constants, and conversion factors/units.

   Authors: zeus21 v2 collaboration - June 2026
       Emily Bregou ;
       Hector Afonso G. Cruz ;
       Sarah Libanore ;
       Julian B. Muñoz ;
       Yonny Sklansky ;
       Emilie Thélie ;
       Alessandra Venditti
   arXiv:2302.08506, arXiv:2306.09403, arXiv:2407.18294, Sklansky et al. (in prep)



Attributes
----------

.. autoapisummary::

   zeus21.constants.MpcToKm
   zeus21.constants.KmToMpc
   zeus21.constants.Mpctocm
   zeus21.constants.MsunToKm
   zeus21.constants.MsunToMpc
   zeus21.constants.Msuntogram
   zeus21.constants.GramtoGeV
   zeus21.constants.MsuntoGeV
   zeus21.constants.mH_GeV
   zeus21.constants.mprotoninMsun
   zeus21.constants.c_kms
   zeus21.constants.c_Mpcs
   zeus21.constants.yrTos
   zeus21.constants.Mpctoyr
   zeus21.constants.ergToK
   zeus21.constants.KtoeV
   zeus21.constants.Elw_eV
   zeus21.constants.deltaNulw
   zeus21.constants.normLX_CONST
   zeus21.constants.EN_ION_HI
   zeus21.constants.EN_ION_HeI
   zeus21.constants.sigma0norm
   zeus21.constants.ZMAX_INTEGRAL
   zeus21.constants.wavelengthLyC
   zeus21.constants.wavelengthLyA
   zeus21.constants.wavelengthLyB
   zeus21.constants.freqLyA
   zeus21.constants.freqLyB
   zeus21.constants.freqLyCont
   zeus21.constants.n_max_recycle
   zeus21.constants.fractions_recycle
   zeus21.constants.gcolorfactorHirata
   zeus21.constants.widthLyA
   zeus21.constants.widthLyAcm
   zeus21.constants.Tstar_21
   zeus21.constants.A10_21
   zeus21.constants.RGauss_factor
   zeus21.constants.ALPHA_accretion_exponential
   zeus21.constants.EPSQ_accretion
   zeus21.constants.alphaB
   zeus21.constants.ZMAX_Bubbles
   zeus21.constants.sigmaT
   zeus21.constants.zHeIIreio
   zeus21.constants.FLAG_DO_BUBBLES
   zeus21.constants.MU_AVG
   zeus21.constants.MU_LoS
   zeus21.constants.NZ_TOINT
   zeus21.constants.zeropoint_ABmag_ergsHz
   zeus21.constants.zmax_AstroBreak
   zeus21.constants.redshiftFactor_Visbal
   zeus21.constants.a_Hirata
   zeus21.constants.b_Hirata
   zeus21.constants.c_Hirata


Module Contents
---------------

.. py:data:: MpcToKm
   :value: 3.086e+19


.. py:data:: KmToMpc
   :value: 3.240440699935191e-20


.. py:data:: Mpctocm
   :value: 3.086e+24


.. py:data:: MsunToKm
   :value: 1.48


.. py:data:: MsunToMpc
   :value: 4.7958522359040825e-20


.. py:data:: Msuntogram
   :value: 1.989e+33


.. py:data:: GramtoGeV
   :value: 1.7826619228369082e-24


.. py:data:: MsuntoGeV
   :value: 1.1157471725400001e+57


.. py:data:: mH_GeV
   :value: 0.93827209


.. py:data:: mprotoninMsun
   :value: 8.409361126714955e-58


.. py:data:: c_kms
   :value: 299792.458


.. py:data:: c_Mpcs
   :value: 9.714596824368113e-15


.. py:data:: yrTos
   :value: 31540000.0


.. py:data:: Mpctoyr
   :value: 3263724.7868785583


.. py:data:: ergToK
   :value: 7240000000000000.0


.. py:data:: KtoeV
   :value: 8.62e-05


.. py:data:: Elw_eV
   :value: 11.9


.. py:data:: deltaNulw
   :value: 580000000000000.0


.. py:data:: normLX_CONST
   :value: 1e+40


.. py:data:: EN_ION_HI
   :value: 13.6


.. py:data:: EN_ION_HeI
   :value: 24.59


.. py:data:: sigma0norm
   :value: 1e-18


.. py:data:: ZMAX_INTEGRAL
   :value: 35.0


.. py:data:: wavelengthLyC
   :value: 91.1753


.. py:data:: wavelengthLyA
   :value: 121.56706666666666


.. py:data:: wavelengthLyB
   :value: 102.57221249999999


.. py:data:: freqLyA
   :value: 2466066396271797.0


.. py:data:: freqLyB
   :value: 2922745358544352.5


.. py:data:: freqLyCont
   :value: 3288088528362396.5


.. py:data:: n_max_recycle
   :value: 22


.. py:data:: fractions_recycle
   :value: [1.0, 0.0, 0.2609, 0.3078, 0.3259, 0.3353, 0.341, 0.3448, 0.3476, 0.3496, 0.3512, 0.3524,...


.. py:data:: gcolorfactorHirata
   :value: 0.405535


.. py:data:: widthLyA
   :value: 50000000.0


.. py:data:: widthLyAcm
   :value: 0.0016678204759907602


.. py:data:: Tstar_21
   :value: 0.0682


.. py:data:: A10_21
   :value: 2.85e-15


.. py:data:: RGauss_factor
   :value: 0.633


.. py:data:: ALPHA_accretion_exponential
   :value: 0.79


.. py:data:: EPSQ_accretion
   :value: 0.6


.. py:data:: alphaB
   :value: 2.5808383233532936e-13


.. py:data:: ZMAX_Bubbles
   :value: 20.0


.. py:data:: sigmaT
   :value: 6.6524e-25


.. py:data:: zHeIIreio
   :value: 3.0


.. py:data:: FLAG_DO_BUBBLES
   :value: False


.. py:data:: MU_AVG
   :value: 0.6


.. py:data:: MU_LoS
   :value: 1.0


.. py:data:: NZ_TOINT
   :value: 3


.. py:data:: zeropoint_ABmag_ergsHz
   :value: 51.63


.. py:data:: zmax_AstroBreak
   :value: 50.0


.. py:data:: redshiftFactor_Visbal
   :value: 1.04


.. py:data:: a_Hirata
   :value: 2.98394


.. py:data:: b_Hirata
   :value: 1.53583


.. py:data:: c_Hirata
   :value: 3.8528