value unc_up unc_lo author ref method 16.45 0.298 0.298 Masiero 2011ApJ...741...68M NEATM 20.93 1.200 1.200 Usui 2011PASJ...63.1117U NEATM 21.62 4.330 4.330 Ali-Lagoa 2018A&A...612A..85A NEATM 25.24 2.300 2.300 Tedesco 2002AJ....123.1056T STM