value unc_up unc_lo author ref method 10.52 0.660 0.660 Usui 2011PASJ...63.1117U NEATM 11.25 0.210 0.210 Masiero 2012ApJ...759L...8M NEATM 11.89 2.380 2.380 Ali-Lagoa 2018A&A...612A..85A NEATM 9.70 1.940 1.940 Ali-Lagoa 2018A&A...612A..85A NEATM