value unc_up unc_lo author ref method 5.51 0.110 0.110 Masiero 2014ApJ...791..121M NEATM 5.59 1.440 1.440 Nugent 2016AJ....152...63N NEATM 5.81 0.046 0.046 Masiero 2011ApJ...741...68M NEATM