value unc_up unc_lo author ref method 18.14 0.200 0.200 Masiero 2011ApJ...741...68M NEATM 19.13 3.830 3.830 Ali-Lagoa 2018A&A...612A..85A NEATM 19.36 1.020 1.020 Usui 2011PASJ...63.1117U NEATM 21.60 0.400 0.400 Masiero 2012ApJ...759L...8M NEATM