value unc_up unc_lo author ref method 19.67 3.930 3.930 Ali-Lagoa 2018A&A...612A..85A NEATM 21.69 1.280 1.280 Usui 2011PASJ...63.1117U NEATM 24.18 4.840 4.840 Ali-Lagoa 2018A&A...612A..85A NEATM