value unc_up unc_lo author ref method 0.146 0.0542 0.0542 Masiero 2017AJ....154..168M NEATM 0.157 0.0171 0.0171 Masiero 2011ApJ...741...68M NEATM 0.195 0.0510 0.0510 Masiero 2011ApJ...741...68M NEATM