value unc_up unc_lo author ref method 12.69 0.145 0.145 Masiero 2011ApJ...741...68M NEATM 12.84 0.860 0.860 Usui 2011PASJ...63.1117U NEATM 13.29 2.660 2.660 Ali-Lagoa 2018A&A...612A..85A NEATM 8.70 1.840 1.840 Nugent 2016AJ....152...63N NEATM