value unc_up unc_lo author ref method 0.193 0.0193 0.0193 Masiero 2011ApJ...741...68M NEATM 0.210 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.220 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.222 0.0543 0.0543 Masiero 2011ApJ...741...68M NEATM