value unc_up unc_lo author ref method 13.87 0.180 0.180 Masiero 2014ApJ...791..121M NEATM 14.53 0.101 0.101 Masiero 2011ApJ...741...68M NEATM 15.15 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM 15.16 6.050 6.050 Nugent 2016AJ....152...63N NEATM 16.62 3.670 3.670 Nugent 2016AJ....152...63N NEATM