value unc_up unc_lo author ref method 0.045 0.0230 0.0480 Masiero 2021PSJ.....2..162M NEATM 0.048 0.0350 0.0350 Masiero 2020PSJ.....1....5M NEATM 0.050 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.052 0.0260 0.0260 Masiero 2012ApJ...759L...8M NEATM 0.060 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.071 0.0115 0.0115 Masiero 2011ApJ...741...68M NEATM