value unc_up unc_lo author ref method 5.95 1.790 1.790 Masiero 2021PSJ.....2..162M NEATM 6.34 0.081 0.081 Masiero 2011ApJ...741...68M NEATM 6.63 2.130 2.130 Masiero 2021PSJ.....2..162M NEATM