value unc_up unc_lo author ref method 0.037 0.0250 0.0250 Masiero 2020PSJ.....1....5M NEATM 0.038 0.0240 0.0240 Masiero 2017AJ....154..168M NEATM 0.048 0.0240 0.0240 Masiero 2020PSJ.....1....5M NEATM 0.057 0.0126 0.0126 Masiero 2011ApJ...741...68M NEATM 0.068 0.0148 0.0148 Masiero 2011ApJ...741...68M NEATM