value unc_up unc_lo author ref method 8.74 2.175 2.175 Masiero 2017AJ....154..168M NEATM 9.52 2.600 2.600 Masiero 2020PSJ.....1....5M NEATM 9.96 4.050 4.050 Masiero 2021PSJ.....2..162M NEATM