value unc_up unc_lo author ref method 0.108 0.0420 0.0690 Masiero 2021PSJ.....2..162M NEATM 0.146 0.0260 0.0260 Masiero 2011ApJ...741...68M NEATM 0.156 0.0663 0.0663 Masiero 2017AJ....154..168M NEATM