value unc_up unc_lo author ref method 20.00 4.000 4.000 Ali-Lagoa 2018A&A...612A..85A NEATM 20.41 0.870 0.870 Usui 2011PASJ...63.1117U NEATM 22.00 1.720 1.720 Masiero 2012ApJ...759L...8M NEATM 22.60 4.520 4.520 Ali-Lagoa 2018A&A...612A..85A NEATM