value unc_up unc_lo author ref method 15.06 0.254 0.254 Masiero 2011ApJ...741...68M NEATM 15.12 0.375 0.375 Masiero 2011ApJ...741...68M NEATM 18.75 1.330 1.330 Usui 2011PASJ...63.1117U NEATM 19.36 3.870 3.870 Ali-Lagoa 2018A&A...612A..85A NEATM