value unc_up unc_lo author ref method 19.50 3.980 3.980 Masiero 2012ApJ...759L...8M NEATM 20.30 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM 20.30 nan nan Ali-Lagoa 2016A&A...591A..14A NEATM 20.97 1.750 1.750 Usui 2011PASJ...63.1117U NEATM 21.66 4.330 4.330 Ali-Lagoa 2018A&A...612A..85A NEATM