value unc_up unc_lo author ref method 9.22 3.160 3.160 Masiero 2021PSJ.....2..162M NEATM 9.66 3.700 3.700 Masiero 2021PSJ.....2..162M NEATM 9.80 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM