value unc_up unc_lo author ref method 4.37 0.050 0.050 Masiero 2014ApJ...791..121M NEATM 4.73 0.027 0.027 Masiero 2011ApJ...741...68M NEATM 5.26 0.062 0.062 Masiero 2011ApJ...741...68M NEATM