value unc_up unc_lo author ref method 6.53 1.350 1.350 Nugent 2016AJ....152...63N NEATM 7.91 0.210 0.210 Masiero 2011ApJ...741...68M NEATM 7.94 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM 7.99 1.810 1.810 Nugent 2016AJ....152...63N NEATM