value unc_up unc_lo author ref method 14.59 0.141 0.141 Masiero 2011ApJ...741...68M NEATM 15.96 1.210 1.210 Usui 2011PASJ...63.1117U NEATM 16.51 3.300 3.300 Ali-Lagoa 2018A&A...612A..85A NEATM 19.93 0.960 0.960 Masiero 2012ApJ...759L...8M NEATM