value unc_up unc_lo author ref method 10.14 0.092 0.092 Masiero 2011ApJ...741...68M NEATM 8.75 1.830 1.830 Nugent 2016AJ....152...63N NEATM 9.59 0.180 0.180 Masiero 2014ApJ...791..121M NEATM