value unc_up unc_lo author ref method 5.47 0.490 0.490 Masiero 2014ApJ...791..121M NEATM 6.73 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM 6.97 0.036 0.036 Masiero 2011ApJ...741...68M NEATM 7.54 0.500 0.500 Usui 2011PASJ...63.1117U NEATM 7.98 1.600 1.600 Ali-Lagoa 2018A&A...612A..85A NEATM