value unc_up unc_lo author ref method 0.411 0.0663 0.0663 Masiero 2011ApJ...741...68M NEATM 0.420 0.0900 0.0900 Masiero 2014ApJ...791..121M NEATM 0.444 0.0723 0.0723 Masiero 2011ApJ...741...68M NEATM