value unc_up unc_lo author ref method 15.46 4.340 4.340 Nugent 2016AJ....152...63N NEATM 19.38 6.200 6.200 Nugent 2016AJ....152...63N NEATM 23.21 4.640 4.640 Ali-Lagoa 2018A&A...612A..85A NEATM 23.25 1.770 1.770 Usui 2011PASJ...63.1117U NEATM 24.44 0.190 0.190 Masiero 2012ApJ...759L...8M NEATM