value unc_up unc_lo author ref method 24.72 0.380 0.380 Grav 2012ApJ...744..197G NEATM 32.87 1.640 1.640 Usui 2011PASJ...63.1117U NEATM 33.76 6.750 6.750 Ali-Lagoa 2018A&A...612A..85A NEATM