value unc_up unc_lo author ref method 7.12 0.110 0.110 Masiero 2014ApJ...791..121M NEATM 7.23 0.121 0.121 Masiero 2011ApJ...741...68M NEATM 7.39 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 7.68 0.034 0.034 Masiero 2011ApJ...741...68M NEATM