value unc_up unc_lo author ref method 8.84 0.062 0.062 Masiero 2011ApJ...741...68M NEATM 8.86 0.120 0.120 Masiero 2014ApJ...791..121M NEATM 9.37 0.171 0.171 Masiero 2011ApJ...741...68M NEATM 9.41 0.120 0.120 Masiero 2014ApJ...791..121M NEATM