value unc_up unc_lo author ref method 2.91 0.970 0.970 Masiero 2021PSJ.....2..162M NEATM 3.24 1.020 1.020 Masiero 2020PSJ.....1....5M NEATM 4.15 0.034 0.034 Masiero 2011ApJ...741...68M NEATM