value unc_up unc_lo author ref method 17.33 4.420 4.420 Nugent 2016AJ....152...63N NEATM 18.24 4.820 4.820 Nugent 2016AJ....152...63N NEATM 18.51 4.630 4.630 Masiero 2020PSJ.....1....5M NEATM 19.30 1.930 1.930 Ali-Lagoa 2018A&A...612A..85A NEATM 20.53 0.270 0.270 Usui 2011PASJ...63.1117U NEATM 21.13 0.370 0.370 Masiero 2012ApJ...759L...8M NEATM 21.94 2.190 2.190 Ali-Lagoa 2018A&A...612A..85A NEATM