value unc_up unc_lo author ref method 16.25 3.250 3.250 Ali-Lagoa 2018A&A...612A..85A NEATM 17.02 0.361 0.361 Masiero 2011ApJ...741...68M NEATM 18.17 1.280 1.280 Usui 2011PASJ...63.1117U NEATM 20.73 4.150 4.150 Ali-Lagoa 2018A&A...612A..85A NEATM