value unc_up unc_lo author ref method 18.07 3.610 3.610 Ali-Lagoa 2018A&A...612A..85A NEATM 18.22 0.190 0.190 Masiero 2014ApJ...791..121M NEATM 18.77 0.193 0.193 Masiero 2011ApJ...741...68M NEATM 19.56 1.300 1.300 Usui 2011PASJ...63.1117U NEATM 22.29 4.460 4.460 Ali-Lagoa 2018A&A...612A..85A NEATM