value unc_up unc_lo author ref method 17.21 3.440 3.440 Ali-Lagoa 2018A&A...612A..85A NEATM 19.86 0.630 0.630 Usui 2011PASJ...63.1117U NEATM 21.28 0.317 0.317 Masiero 2011ApJ...741...68M NEATM 22.01 4.400 4.400 Ali-Lagoa 2018A&A...612A..85A NEATM