value unc_up unc_lo author ref method 16.60 0.820 0.820 Masiero 2012ApJ...759L...8M NEATM 17.13 0.170 0.170 Masiero 2014ApJ...791..121M NEATM 17.53 0.244 0.244 Masiero 2011ApJ...741...68M NEATM 18.42 3.680 3.680 Ali-Lagoa 2018A&A...612A..85A NEATM 19.12 0.700 0.700 Usui 2011PASJ...63.1117U NEATM 19.38 3.880 3.880 Ali-Lagoa 2018A&A...612A..85A NEATM