value unc_up unc_lo author ref method 19.63 7.590 7.590 Nugent 2016AJ....152...63N NEATM 19.68 3.940 3.940 Ali-Lagoa 2018A&A...612A..85A NEATM 19.82 4.500 4.500 Nugent 2016AJ....152...63N NEATM 20.13 4.030 4.030 Ali-Lagoa 2018A&A...612A..85A NEATM 20.20 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 20.31 0.640 0.640 Usui 2011PASJ...63.1117U NEATM 20.92 0.210 0.210 Masiero 2011ApJ...741...68M NEATM 24.15 0.270 0.270 Masiero 2012ApJ...759L...8M NEATM