value unc_up unc_lo author ref method 6.95 0.520 0.520 Masiero 2014ApJ...791..121M NEATM 7.43 0.120 0.120 Masiero 2014ApJ...791..121M NEATM 7.45 0.143 0.143 Masiero 2011ApJ...741...68M NEATM 8.02 0.073 0.073 Masiero 2011ApJ...741...68M NEATM