value unc_up unc_lo author ref method 0.011 0.0108 0.0108 Masiero 2017AJ....154..168M NEATM 0.012 0.0060 0.0140 Masiero 2021PSJ.....2..162M NEATM 0.017 0.0270 0.0270 Masiero 2020PSJ.....1....5M NEATM 0.040 0.0100 0.0100 Nugent 2016AJ....152...63N NEATM 0.052 0.0244 0.0244 Masiero 2011ApJ...741...68M NEATM