value unc_up unc_lo author ref method 5.67 0.030 0.030 Masiero 2011ApJ...741...68M NEATM 7.75 0.320 0.320 Masiero 2012ApJ...759L...8M NEATM 8.31 1.510 1.510 Nugent 2016AJ....152...63N NEATM 9.02 1.800 1.800 Ali-Lagoa 2018A&A...612A..85A NEATM 9.55 0.450 0.450 Usui 2011PASJ...63.1117U NEATM