value unc_up unc_lo author ref method 4.03 0.740 0.740 Nugent 2016AJ....152...63N NEATM 5.32 0.090 0.090 Masiero 2014ApJ...791..121M NEATM 5.49 0.070 0.070 Masiero 2011ApJ...741...68M NEATM 5.78 0.249 0.249 Masiero 2011ApJ...741...68M NEATM