value unc_up unc_lo author ref method 14.96 0.136 0.136 Masiero 2011ApJ...741...68M NEATM 15.51 4.320 4.320 Nugent 2016AJ....152...63N NEATM 16.84 0.069 0.069 Masiero 2011ApJ...741...68M NEATM