value unc_up unc_lo author ref method 5.85 2.520 2.520 Nugent 2016AJ....152...63N NEATM 6.87 1.460 1.460 Masiero 2021PSJ.....2..162M NEATM 6.89 1.460 1.460 Masiero 2021PSJ.....2..162M NEATM 7.92 0.119 0.119 Masiero 2011ApJ...741...68M NEATM 8.79 3.790 3.790 Masiero 2012ApJ...759L...8M NEATM 9.60 2.050 2.050 Nugent 2016AJ....152...63N NEATM