value unc_up unc_lo author ref method 6.85 1.300 1.300 Nugent 2016AJ....152...63N NEATM 7.59 0.285 0.285 Masiero 2011ApJ...741...68M NEATM 7.85 0.660 0.660 Usui 2011PASJ...63.1117U NEATM 7.89 1.310 1.310 Masiero 2012ApJ...759L...8M NEATM 8.62 1.720 1.720 Ali-Lagoa 2018A&A...612A..85A NEATM