value unc_up unc_lo author ref method 15.88 3.180 3.180 Ali-Lagoa 2018A&A...612A..85A NEATM 16.29 3.260 3.260 Ali-Lagoa 2018A&A...612A..85A NEATM 17.90 0.810 0.810 Usui 2011PASJ...63.1117U NEATM 18.02 0.417 0.417 Masiero 2011ApJ...741...68M NEATM