value unc_up unc_lo author ref method 17.73 0.170 0.170 Masiero 2014ApJ...791..121M NEATM 18.44 0.140 0.140 Masiero 2014ApJ...791..121M NEATM 18.54 1.850 1.850 Ali-Lagoa 2018A&A...612A..85A NEATM 18.86 0.180 0.180 Masiero 2011ApJ...741...68M NEATM 19.90 0.910 0.910 Usui 2011PASJ...63.1117U NEATM 19.97 0.172 0.172 Masiero 2011ApJ...741...68M NEATM