value unc_up unc_lo author ref method 15.85 0.890 0.890 Masiero 2012ApJ...759L...8M NEATM 16.55 1.250 1.250 Usui 2011PASJ...63.1117U NEATM 16.89 3.380 3.380 Ali-Lagoa 2018A&A...612A..85A NEATM