value unc_up unc_lo author ref method 4.78 0.122 0.122 Masiero 2011ApJ...741...68M NEATM 5.03 1.420 1.420 Masiero 2021PSJ.....2..162M NEATM 5.93 1.940 1.940 Masiero 2020PSJ.....1....5M NEATM