value unc_up unc_lo author ref method 19.97 0.160 0.160 Masiero 2011ApJ...741...68M NEATM 20.29 0.255 0.255 Masiero 2011ApJ...741...68M NEATM 21.04 4.210 4.210 Ali-Lagoa 2018A&A...612A..85A NEATM 21.51 0.830 0.830 Usui 2011PASJ...63.1117U NEATM 22.60 4.520 4.520 Ali-Lagoa 2018A&A...612A..85A NEATM