def flux2z(self, F): """ Return the redshift such that a standard-candle source with have flux F. """ _cosmo.set_ffid(self.F_fid) _cosmo.set_lum(self.lum) return _cosmo.flux2z(F)
def set_lum(self, lum): """ Set the dimensionless standard-candle luminosity. """ self.lum = lum _cosmo.set_lum(lum)