value unc_up unc_lo author ref method 7.09 0.150 0.150 Masiero 2011ApJ...741...68M NEATM 7.19 1.060 1.060 Nugent 2016AJ....152...63N NEATM 7.63 2.410 2.410 Nugent 2016AJ....152...63N NEATM 7.68 2.010 2.010 Masiero 2021PSJ.....2..162M NEATM 8.12 0.146 0.146 Masiero 2011ApJ...741...68M NEATM