value unc_up unc_lo author ref method 5.80 1.360 1.360 Masiero 2021PSJ.....2..162M NEATM 6.17 1.463 1.463 Masiero 2017AJ....154..168M NEATM 6.96 1.810 1.810 Masiero 2020PSJ.....1....5M NEATM