value unc_up unc_lo author ref method 0.046 0.0367 0.0367 Masiero 2017AJ....154..168M NEATM 0.059 0.0250 0.0450 Masiero 2021PSJ.....2..162M NEATM 0.060 0.0124 0.0124 Masiero 2011ApJ...741...68M NEATM