value unc_up unc_lo author ref method 5.48 0.990 0.990 Nugent 2016AJ....152...63N NEATM 6.29 1.530 1.530 Nugent 2016AJ....152...63N NEATM 6.61 0.213 0.213 Masiero 2011ApJ...741...68M NEATM