value unc_up unc_lo author ref method 0.150 0.0264 0.0264 Masiero 2011ApJ...741...68M NEATM 0.174 0.0244 0.0244 Masiero 2011ApJ...741...68M NEATM 0.180 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.180 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM