value unc_up unc_lo author ref method 17.87 0.770 0.770 Usui 2011PASJ...63.1117U NEATM 17.96 2.110 2.110 Masiero 2012ApJ...759L...8M NEATM 18.07 3.610 3.610 Ali-Lagoa 2018A&A...612A..85A NEATM 18.86 0.243 0.243 Masiero 2011ApJ...741...68M NEATM 19.53 3.910 3.910 Ali-Lagoa 2018A&A...612A..85A NEATM 30.00 2.800 2.800 Tedesco 2002AJ....123.1056T STM