value unc_up unc_lo author ref method 16.44 0.240 0.240 Masiero 2014ApJ...791..121M NEATM 17.32 3.460 3.460 Ali-Lagoa 2018A&A...612A..85A NEATM 17.67 0.111 0.111 Masiero 2011ApJ...741...68M NEATM 18.61 1.540 1.540 Masiero 2012ApJ...759L...8M NEATM 18.85 1.400 1.400 Usui 2011PASJ...63.1117U NEATM