value unc_up unc_lo author ref method 18.81 1.030 1.030 Masiero 2012ApJ...759L...8M NEATM 18.83 0.178 0.178 Masiero 2011ApJ...741...68M NEATM 18.98 0.240 0.240 Masiero 2014ApJ...791..121M NEATM 19.79 3.960 3.960 Ali-Lagoa 2018A&A...612A..85A NEATM 20.20 4.040 4.040 Ali-Lagoa 2018A&A...612A..85A NEATM 20.79 0.500 0.500 Usui 2011PASJ...63.1117U NEATM 25.93 2.500 2.500 Tedesco 2002AJ....123.1056T STM