value unc_up unc_lo author ref method 14.39 0.480 0.480 Grav 2012ApJ...744..197G NEATM 19.48 1.300 1.300 Usui 2011PASJ...63.1117U NEATM 20.14 4.030 4.030 Ali-Lagoa 2018A&A...612A..85A NEATM