value unc_up unc_lo author ref method 4.50 1.430 1.430 Masiero 2021PSJ.....2..162M NEATM 4.51 0.940 0.940 Masiero 2021PSJ.....2..162M NEATM 4.69 0.880 0.880 Masiero 2020PSJ.....1....5M NEATM 4.75 1.350 1.350 Masiero 2012ApJ...759L...8M NEATM 5.87 0.032 0.032 Masiero 2011ApJ...741...68M NEATM