value unc_up unc_lo author ref method 4.97 0.358 0.358 Masiero 2011ApJ...741...68M NEATM 5.39 1.650 1.650 Masiero 2021PSJ.....2..162M NEATM 5.57 0.212 0.212 Masiero 2011ApJ...741...68M NEATM