value unc_up unc_lo author ref method 16.23 1.200 1.200 Usui 2011PASJ...63.1117U NEATM 16.36 0.720 0.720 Masiero 2012ApJ...759L...8M NEATM 16.57 3.310 3.310 Ali-Lagoa 2018A&A...612A..85A NEATM 16.95 3.390 3.390 Ali-Lagoa 2018A&A...612A..85A NEATM