value unc_up unc_lo author ref method 5.93 1.370 1.370 Masiero 2021PSJ.....2..162M NEATM 6.82 1.710 1.710 Masiero 2021PSJ.....2..162M NEATM 7.52 0.029 0.029 Masiero 2011ApJ...741...68M NEATM