value unc_up unc_lo author ref method 9.09 0.100 0.100 Masiero 2014ApJ...791..121M NEATM 9.14 0.090 0.090 Masiero 2014ApJ...791..121M NEATM 9.15 0.059 0.059 Masiero 2011ApJ...741...68M NEATM 9.64 0.091 0.091 Masiero 2011ApJ...741...68M NEATM