value unc_up unc_lo author ref method 7.66 0.280 0.280 Masiero 2011ApJ...741...68M NEATM 8.29 0.172 0.172 Masiero 2011ApJ...741...68M NEATM 8.81 3.000 3.000 Masiero 2021PSJ.....2..162M NEATM 9.54 2.780 2.780 Masiero 2021PSJ.....2..162M NEATM