value unc_up unc_lo author ref method 6.26 0.650 0.650 Usui 2011PASJ...63.1117U NEATM 6.61 1.320 1.320 Ali-Lagoa 2018A&A...612A..85A NEATM 9.07 0.100 0.100 Masiero 2014ApJ...791..121M NEATM 9.37 0.069 0.069 Masiero 2011ApJ...741...68M NEATM