value unc_up unc_lo author ref method 7.15 0.510 0.510 Masiero 2011ApJ...741...68M NEATM 7.56 2.133 2.133 Masiero 2011ApJ...741...68M NEATM 8.28 0.670 0.670 Usui 2011PASJ...63.1117U NEATM 8.60 1.720 1.720 Ali-Lagoa 2018A&A...612A..85A NEATM