value unc_up unc_lo author ref method 7.28 0.400 0.400 Masiero 2012ApJ...759L...8M NEATM 8.74 0.068 0.068 Masiero 2011ApJ...741...68M NEATM 8.77 0.140 0.140 Masiero 2014ApJ...791..121M NEATM 8.89 0.990 0.990 Usui 2011PASJ...63.1117U NEATM 9.23 1.850 1.850 Ali-Lagoa 2018A&A...612A..85A NEATM