value unc_up unc_lo author ref method 5.58 1.120 1.120 Ali-Lagoa 2018A&A...612A..85A NEATM 5.79 0.370 0.370 Usui 2011PASJ...63.1117U NEATM 6.29 1.260 1.260 Ali-Lagoa 2018A&A...612A..85A NEATM 7.65 0.060 0.060 Masiero 2014ApJ...791..121M NEATM 8.75 0.066 0.066 Masiero 2011ApJ...741...68M NEATM