value unc_up unc_lo author ref method 4.71 0.800 0.800 Nugent 2016AJ....152...63N NEATM 5.32 1.090 1.090 Nugent 2016AJ....152...63N NEATM 5.76 0.030 0.030 Masiero 2014ApJ...791..121M NEATM 5.82 0.097 0.097 Masiero 2011ApJ...741...68M NEATM