value unc_up unc_lo author ref method 34.81 0.420 0.420 Grav 2012ApJ...744..197G NEATM 38.23 2.520 2.520 Usui 2011PASJ...63.1117U NEATM 39.33 7.870 7.870 Ali-Lagoa 2018A&A...612A..85A NEATM