value unc_up unc_lo author ref method 18.25 1.400 1.400 Usui 2011PASJ...63.1117U NEATM 18.59 0.220 0.220 Masiero 2014ApJ...791..121M NEATM 18.69 3.740 3.740 Ali-Lagoa 2018A&A...612A..85A NEATM 18.72 0.184 0.184 Masiero 2011ApJ...741...68M NEATM 18.79 3.760 3.760 Ali-Lagoa 2018A&A...612A..85A NEATM 23.08 0.680 0.680 Masiero 2012ApJ...759L...8M NEATM