value unc_up unc_lo author ref method 16.14 1.460 1.460 Usui 2011PASJ...63.1117U NEATM 16.20 3.240 3.240 Ali-Lagoa 2018A&A...612A..85A NEATM 20.61 0.138 0.138 Masiero 2011ApJ...741...68M NEATM 20.83 0.120 0.120 Masiero 2014ApJ...791..121M NEATM 21.56 6.970 6.970 Nugent 2016AJ....152...63N NEATM 22.82 2.000 2.000 Tedesco 2002AJ....123.1056T STM