value unc_up unc_lo author ref method 7.33 2.040 2.040 Nugent 2016AJ....152...63N NEATM 7.99 1.660 1.660 Masiero 2021PSJ.....2..162M NEATM 9.50 0.227 0.227 Masiero 2011ApJ...741...68M NEATM 9.78 0.167 0.167 Masiero 2011ApJ...741...68M NEATM