value unc_up unc_lo author ref method 17.02 0.238 0.238 Masiero 2011ApJ...741...68M NEATM 17.78 1.340 1.340 Usui 2011PASJ...63.1117U NEATM 18.36 3.670 3.670 Ali-Lagoa 2018A&A...612A..85A NEATM