value unc_up unc_lo author ref method 11.39 0.259 0.259 Masiero 2011ApJ...741...68M NEATM 12.38 2.990 2.990 Nugent 2016AJ....152...63N NEATM 14.26 0.272 0.272 Masiero 2011ApJ...741...68M NEATM