value unc_up unc_lo author ref method 6.05 1.590 1.590 Masiero 2021PSJ.....2..162M NEATM 6.67 1.889 1.889 Masiero 2017AJ....154..168M NEATM 7.02 2.148 2.148 Masiero 2017AJ....154..168M NEATM 7.16 1.940 1.940 Masiero 2021PSJ.....2..162M NEATM