value unc_up unc_lo author ref method 13.67 2.730 2.730 Ali-Lagoa 2018A&A...612A..85A NEATM 14.97 0.500 0.500 Usui 2011PASJ...63.1117U NEATM 15.22 3.040 3.040 Ali-Lagoa 2018A&A...612A..85A NEATM 15.83 0.120 0.120 Masiero 2011ApJ...741...68M NEATM 9.87 0.820 0.820 Masiero 2012ApJ...759L...8M NEATM