value unc_up unc_lo author ref method 15.86 1.330 1.330 Usui 2011PASJ...63.1117U NEATM 15.98 0.303 0.303 Masiero 2011ApJ...741...68M NEATM 16.17 0.209 0.209 Masiero 2011ApJ...741...68M NEATM 16.30 3.260 3.260 Ali-Lagoa 2018A&A...612A..85A NEATM