value unc_up unc_lo author ref method 5.87 0.060 0.060 Masiero 2014ApJ...791..121M NEATM 6.05 0.150 0.150 Masiero 2014ApJ...791..121M NEATM 6.34 0.043 0.043 Masiero 2011ApJ...741...68M NEATM 6.44 0.035 0.035 Masiero 2011ApJ...741...68M NEATM 9.84 2.340 2.340 Nugent 2016AJ....152...63N NEATM