value unc_up unc_lo author ref method 7.24 0.090 0.090 Masiero 2014ApJ...791..121M NEATM 7.65 0.060 0.060 Masiero 2011ApJ...741...68M NEATM 7.68 0.620 0.620 Usui 2011PASJ...63.1117U NEATM 7.74 0.300 0.300 Masiero 2012ApJ...759L...8M NEATM 8.44 1.690 1.690 Ali-Lagoa 2018A&A...612A..85A NEATM