value unc_up unc_lo author ref method 10.77 2.030 2.030 Nugent 2016AJ....152...63N NEATM 8.92 0.190 0.190 Masiero 2014ApJ...791..121M NEATM 9.56 0.130 0.130 Masiero 2011ApJ...741...68M NEATM