value unc_up unc_lo author ref method 23.98 0.270 0.270 Grav 2012ApJ...744..197G NEATM 25.74 2.210 2.210 Usui 2011PASJ...63.1117U NEATM 26.57 5.310 5.310 Ali-Lagoa 2018A&A...612A..85A NEATM