value unc_up unc_lo author ref method 15.12 0.236 0.236 Masiero 2011ApJ...741...68M NEATM 16.76 1.060 1.060 Usui 2011PASJ...63.1117U NEATM 17.27 3.450 3.450 Ali-Lagoa 2018A&A...612A..85A NEATM