value unc_up unc_lo author ref method 19.05 0.246 0.246 Masiero 2011ApJ...741...68M NEATM 20.07 1.320 1.320 Usui 2011PASJ...63.1117U NEATM 20.47 4.090 4.090 Ali-Lagoa 2018A&A...612A..85A NEATM