value unc_up unc_lo author ref method 16.03 0.171 0.171 Masiero 2011ApJ...741...68M NEATM 18.65 3.730 3.730 Ali-Lagoa 2018A&A...612A..85A NEATM 19.53 1.240 1.240 Usui 2011PASJ...63.1117U NEATM