value unc_up unc_lo author ref method 0.024 0.0120 0.0250 Masiero 2021PSJ.....2..162M NEATM 0.032 0.0140 0.0240 Masiero 2021PSJ.....2..162M NEATM 0.036 0.0214 0.0214 Masiero 2017AJ....154..168M NEATM 0.049 0.0115 0.0115 Masiero 2011ApJ...741...68M NEATM