value unc_up unc_lo author ref method 19.20 0.490 0.490 Masiero 2012ApJ...759L...8M NEATM 21.18 2.120 2.120 Ali-Lagoa 2018A&A...612A..85A NEATM 21.20 0.210 0.210 Masiero 2014ApJ...791..121M NEATM 21.68 0.046 0.046 Masiero 2011ApJ...741...68M NEATM 21.91 0.410 0.410 Usui 2011PASJ...63.1117U NEATM 24.32 2.430 2.430 Ali-Lagoa 2018A&A...612A..85A NEATM