value unc_up unc_lo author ref method 4.06 0.670 0.670 Nugent 2016AJ....152...63N NEATM 5.05 0.100 0.100 Masiero 2014ApJ...791..121M NEATM 5.12 0.130 0.130 Masiero 2014ApJ...791..121M NEATM 5.59 0.086 0.086 Masiero 2011ApJ...741...68M NEATM 5.79 0.063 0.063 Masiero 2011ApJ...741...68M NEATM