value unc_up unc_lo author ref method 4.02 1.050 1.050 Masiero 2021PSJ.....2..162M NEATM 5.13 1.370 1.370 Masiero 2021PSJ.....2..162M NEATM 5.39 1.340 1.340 Masiero 2012ApJ...759L...8M NEATM