value unc_up unc_lo author ref method 10.61 0.136 0.136 Masiero 2011ApJ...741...68M NEATM 9.39 0.250 0.250 Masiero 2014ApJ...791..121M NEATM 9.46 0.380 0.380 Masiero 2014ApJ...791..121M NEATM 9.77 0.043 0.043 Masiero 2011ApJ...741...68M NEATM