value unc_up unc_lo author ref method 5.96 1.590 1.590 Nugent 2016AJ....152...63N NEATM 7.00 0.690 0.690 Nugent 2016AJ....152...63N NEATM 7.41 0.096 0.096 Masiero 2011ApJ...741...68M NEATM