value unc_up unc_lo author ref method 16.06 0.240 0.240 Masiero 2014ApJ...791..121M NEATM 17.64 0.146 0.146 Masiero 2011ApJ...741...68M NEATM 18.29 1.830 1.830 Ali-Lagoa 2018A&A...612A..85A NEATM 18.94 0.480 0.480 Usui 2011PASJ...63.1117U NEATM 21.31 2.130 2.130 Ali-Lagoa 2018A&A...612A..85A NEATM 21.69 0.410 0.410 Masiero 2012ApJ...759L...8M NEATM