value unc_up unc_lo author ref method 6.03 1.750 1.750 Masiero 2021PSJ.....2..162M NEATM 6.50 2.435 2.435 Masiero 2017AJ....154..168M NEATM 6.60 2.083 2.083 Masiero 2017AJ....154..168M NEATM 6.94 1.760 1.760 Masiero 2021PSJ.....2..162M NEATM