value unc_up unc_lo author ref method 18.18 0.276 0.276 Masiero 2011ApJ...741...68M NEATM 18.51 3.700 3.700 Ali-Lagoa 2018A&A...612A..85A NEATM 19.37 0.740 0.740 Usui 2011PASJ...63.1117U NEATM 19.91 5.910 5.910 Masiero 2020PSJ.....1....5M NEATM 20.60 4.120 4.120 Ali-Lagoa 2018A&A...612A..85A NEATM