value unc_up unc_lo author ref method 18.24 0.192 0.192 Masiero 2011ApJ...741...68M NEATM 21.62 1.420 1.420 Usui 2011PASJ...63.1117U NEATM 22.23 4.450 4.450 Ali-Lagoa 2018A&A...612A..85A NEATM