value unc_up unc_lo author ref method 18.62 5.060 5.060 Masiero 2017AJ....154..168M NEATM 19.68 0.264 0.264 Masiero 2011ApJ...741...68M NEATM 20.56 0.430 0.430 Masiero 2012ApJ...759L...8M NEATM 21.29 0.400 0.400 Usui 2011PASJ...63.1117U NEATM 21.80 2.180 2.180 Ali-Lagoa 2018A&A...612A..85A NEATM 22.93 4.590 4.590 Ali-Lagoa 2018A&A...612A..85A NEATM