value unc_up unc_lo author ref method 7.53 1.750 1.750 Masiero 2021PSJ.....2..162M NEATM 7.87 1.671 1.671 Masiero 2017AJ....154..168M NEATM 8.52 2.810 2.810 Masiero 2021PSJ.....2..162M NEATM 8.61 2.580 2.580 Masiero 2020PSJ.....1....5M NEATM 9.56 0.073 0.073 Masiero 2011ApJ...741...68M NEATM