value unc_up unc_lo author ref method 15.71 3.140 3.140 Ali-Lagoa 2018A&A...612A..85A NEATM 15.87 0.890 0.890 Usui 2011PASJ...63.1117U NEATM 15.97 3.190 3.190 Ali-Lagoa 2018A&A...612A..85A NEATM 17.10 0.248 0.248 Masiero 2011ApJ...741...68M NEATM 19.06 5.500 5.500 Masiero 2012ApJ...759L...8M NEATM