value unc_up unc_lo author ref method 4.82 0.960 0.960 Nugent 2016AJ....152...63N NEATM 5.17 1.010 1.010 Nugent 2016AJ....152...63N NEATM 5.38 0.073 0.073 Masiero 2011ApJ...741...68M NEATM