value unc_up unc_lo author ref method 7.79 0.089 0.089 Masiero 2011ApJ...741...68M NEATM 7.84 0.052 0.052 Masiero 2011ApJ...741...68M NEATM 8.61 0.770 0.770 Usui 2011PASJ...63.1117U NEATM 8.96 1.790 1.790 Ali-Lagoa 2018A&A...612A..85A NEATM