value unc_up unc_lo author ref method 5.00 1.170 1.170 Nugent 2016AJ....152...63N NEATM 5.46 1.480 1.480 Nugent 2016AJ....152...63N NEATM 5.79 0.320 0.320 Masiero 2011ApJ...741...68M NEATM