value unc_up unc_lo author ref method 3.24 0.600 0.600 Masiero 2021PSJ.....2..162M NEATM 3.26 0.951 0.951 Masiero 2017AJ....154..168M NEATM 4.40 0.296 0.296 Masiero 2011ApJ...741...68M NEATM