value unc_up unc_lo author ref method 4.68 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 4.69 0.170 0.170 Masiero 2011ApJ...741...68M NEATM 4.94 0.048 0.048 Masiero 2011ApJ...741...68M NEATM