value unc_up unc_lo author ref method 21.48 0.225 0.225 Masiero 2011ApJ...741...68M NEATM 23.77 2.380 2.380 Ali-Lagoa 2018A&A...612A..85A NEATM 24.09 2.410 2.410 Ali-Lagoa 2018A&A...612A..85A NEATM 25.35 0.460 0.460 Usui 2011PASJ...63.1117U NEATM 28.12 0.390 0.390 Masiero 2012ApJ...759L...8M NEATM