value unc_up unc_lo author ref method 11.92 0.176 0.176 Masiero 2011ApJ...741...68M NEATM 12.70 0.129 0.129 Masiero 2011ApJ...741...68M NEATM 13.68 3.670 3.670 Masiero 2021PSJ.....2..162M NEATM