value unc_up unc_lo author ref method 3.26 0.043 0.043 Masiero 2011ApJ...741...68M NEATM 4.94 1.590 1.590 Masiero 2021PSJ.....2..162M NEATM 5.15 1.350 1.350 Masiero 2012ApJ...759L...8M NEATM