value unc_up unc_lo author ref method 18.12 3.620 3.620 Ali-Lagoa 2018A&A...612A..85A NEATM 20.27 0.186 0.186 Masiero 2011ApJ...741...68M NEATM 20.76 0.700 0.700 Usui 2011PASJ...63.1117U NEATM 22.81 4.560 4.560 Ali-Lagoa 2018A&A...612A..85A NEATM