value unc_up unc_lo author ref method 4.78 0.970 0.970 Nugent 2016AJ....152...63N NEATM 4.82 0.110 0.110 Masiero 2014ApJ...791..121M NEATM 5.14 0.043 0.043 Masiero 2011ApJ...741...68M NEATM