value unc_up unc_lo author ref method 16.23 3.250 3.250 Ali-Lagoa 2018A&A...612A..85A NEATM 20.11 1.570 1.570 Usui 2011PASJ...63.1117U NEATM 24.04 4.810 4.810 Ali-Lagoa 2018A&A...612A..85A NEATM