value unc_up unc_lo author ref method 21.85 4.370 4.370 Ali-Lagoa 2018A&A...612A..85A NEATM 21.87 0.436 0.436 Masiero 2011ApJ...741...68M NEATM 23.51 0.570 0.570 Usui 2011PASJ...63.1117U NEATM 26.88 5.380 5.380 Ali-Lagoa 2018A&A...612A..85A NEATM