value unc_up unc_lo author ref method 15.26 4.600 4.600 Nugent 2016AJ....152...63N NEATM 16.62 5.460 5.460 Nugent 2016AJ....152...63N NEATM 16.96 5.220 5.220 Masiero 2012ApJ...759L...8M NEATM 20.34 1.600 1.600 Usui 2011PASJ...63.1117U NEATM 20.80 4.160 4.160 Ali-Lagoa 2018A&A...612A..85A NEATM 21.91 0.253 0.253 Masiero 2011ApJ...741...68M NEATM