value unc_up unc_lo author ref method 8.25 2.110 2.110 Masiero 2021PSJ.....2..162M NEATM 8.91 2.260 2.260 Masiero 2021PSJ.....2..162M NEATM 9.53 1.950 1.950 Masiero 2012ApJ...759L...8M NEATM