Background Light Spectrum output radiation : total black hole component star formation component ------------ optional input ----------------- log(LTIR) min : 8-1000um luminosity in log(Lsun) log(LTIR) max : 8-1000um luminosity in log(Lsun) log(L2-10keV) min : rest-frame 2-10 keV unobscured luminosity in log(erg/s) log(L2-10keV) max : rest-frame 2-10 keV unobscured luminosity in log(erg/s) redshift min : redshift max : (no larger than z=6) log(NHI) min : 0 21 22 23 24 25 in log(cm-2) log(NHI) max : 26 25 24 23 22 21 in log(cm-2) log(Lbh/Ltot)tir min : The minimum fractional SMBH energy in the 8-1000 um log(Lbh/Ltot)tir max : The maximum fractional SMBH energy in the 8-1000 um