value unc_up unc_lo author ref method 7.21 1.930 1.930 Masiero 2021PSJ.....2..162M NEATM 7.64 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM 8.71 2.100 2.100 Masiero 2021PSJ.....2..162M NEATM 8.78 0.128 0.128 Masiero 2011ApJ...741...68M NEATM 8.93 0.210 0.210 Usui 2011PASJ...63.1117U NEATM 8.93 0.890 0.890 Ali-Lagoa 2018A&A...612A..85A NEATM