value unc_up unc_lo author ref method 8.26 0.189 0.189 Masiero 2011ApJ...741...68M NEATM 9.39 0.690 0.690 Usui 2011PASJ...63.1117U NEATM 9.86 1.970 1.970 Ali-Lagoa 2018A&A...612A..85A NEATM 9.97 2.030 2.030 Nugent 2016AJ....152...63N NEATM