Detailed description of the fitting procedures of both models (macrospin and discrete energy), insight into some fit results of the macrospin model, information on how to determine the quality of the
System detection efficiency measurement setup, uncertainty analysis, additional efficiency measurements and demonstration of finite suppression of photon counts by the Ekspla pulse picker
Transition wavelengths, transition rates, weighted oscillator strengths, line strengths and two estimated uncertainties Acc among the lowest 99 levels listed in Table I