value unc_up unc_lo author ref method 0.188 0.0182 0.0182 Masiero 2011ApJ...741...68M NEATM 0.210 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.218 0.0353 0.0353 Masiero 2011ApJ...741...68M NEATM 0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM