value unc_up unc_lo author ref method 49.61 0.750 0.750 Grav 2012ApJ...759...49G NEATM 52.61 3.580 3.580 Usui 2011PASJ...63.1117U NEATM 52.88 10.580 10.580 Ali-Lagoa 2018A&A...612A..85A NEATM 54.48 0.780 0.780 Grav 2011ApJ...742...40G NEATM 54.51 10.900 10.900 Ali-Lagoa 2018A&A...612A..85A NEATM