value unc_up unc_lo author ref method 6.05 0.100 0.100 Masiero 2014ApJ...791..121M NEATM 6.51 0.060 0.060 Masiero 2011ApJ...741...68M NEATM 7.07 0.520 0.520 Usui 2011PASJ...63.1117U NEATM 7.58 1.520 1.520 Ali-Lagoa 2018A&A...612A..85A NEATM