value unc_up unc_lo author ref method 13.46 1.020 1.020 Usui 2011PASJ...63.1117U NEATM 14.06 2.810 2.810 Ali-Lagoa 2018A&A...612A..85A NEATM 14.85 0.070 0.070 Masiero 2014ApJ...791..121M NEATM 15.31 0.178 0.178 Masiero 2011ApJ...741...68M NEATM 15.78 1.500 1.500 Tedesco 2002AJ....123.1056T STM