value unc_up unc_lo author ref method 4.87 0.209 0.209 Masiero 2011ApJ...741...68M NEATM 5.81 1.590 1.590 Masiero 2021PSJ.....2..162M NEATM 6.84 2.265 2.265 Masiero 2017AJ....154..168M NEATM 7.07 1.910 1.910 Masiero 2020PSJ.....1....5M NEATM