value unc_up unc_lo author ref method 11.62 0.870 0.870 Masiero 2012ApJ...759L...8M NEATM 17.52 1.310 1.310 Usui 2011PASJ...63.1117U NEATM 18.30 3.660 3.660 Ali-Lagoa 2018A&A...612A..85A NEATM 21.33 0.230 0.230 Masiero 2014ApJ...791..121M NEATM 21.48 0.115 0.115 Masiero 2011ApJ...741...68M NEATM