value unc_up unc_lo author ref method 19.47 0.270 0.270 Masiero 2011ApJ...741...68M NEATM 20.78 2.080 2.080 Ali-Lagoa 2018A&A...612A..85A NEATM 20.94 0.250 0.250 Usui 2011PASJ...63.1117U NEATM 22.55 2.250 2.250 Ali-Lagoa 2018A&A...612A..85A NEATM 22.64 0.470 0.470 Masiero 2012ApJ...759L...8M NEATM