value unc_up unc_lo author ref method 3.21 0.790 0.790 Nugent 2016AJ....152...63N NEATM 3.58 0.790 0.790 Masiero 2021PSJ.....2..162M NEATM 4.84 0.109 0.109 Masiero 2011ApJ...741...68M NEATM