value unc_up unc_lo author ref method 0.038 0.0430 0.0430 Masiero 2020PSJ.....1....5M NEATM 0.040 0.0232 0.0232 Masiero 2017AJ....154..168M NEATM 0.041 0.0290 0.0290 Masiero 2020PSJ.....1....5M NEATM 0.107 0.0108 0.0108 Masiero 2011ApJ...741...68M NEATM 0.127 0.0186 0.0186 Masiero 2011ApJ...741...68M NEATM