value unc_up unc_lo author ref method 6.75 1.850 1.850 Masiero 2021PSJ.....2..162M NEATM 6.87 2.130 2.130 Masiero 2017AJ....154..168M NEATM 7.45 1.890 1.890 Masiero 2020PSJ.....1....5M NEATM