value unc_up unc_lo author ref method 4.79 0.054 0.054 Masiero 2011ApJ...741...68M NEATM 4.84 0.120 0.120 Masiero 2011ApJ...741...68M NEATM 5.06 1.210 1.210 Nugent 2016AJ....152...63N NEATM