value unc_up unc_lo author ref method 3.41 0.580 0.580 Nugent 2016AJ....152...63N NEATM 4.54 0.337 0.337 Masiero 2011ApJ...741...68M NEATM 5.18 0.347 0.347 Masiero 2011ApJ...741...68M NEATM