value unc_up unc_lo author ref method 12.70 1.520 1.520 Usui 2011PASJ...63.1117U NEATM 13.19 2.640 2.640 Ali-Lagoa 2018A&A...612A..85A NEATM 14.84 1.090 1.090 Masiero 2012ApJ...759L...8M NEATM 17.03 1.600 1.600 Tedesco 2002AJ....123.1056T STM