value unc_up unc_lo author ref method 0.030 0.0174 0.0174 Masiero 2017AJ....154..168M NEATM 0.043 0.0091 0.0091 Masiero 2011ApJ...741...68M NEATM 0.048 0.0165 0.0165 Masiero 2011ApJ...741...68M NEATM