value unc_up unc_lo author ref method 4.56 0.060 0.060 Masiero 2014ApJ...791..121M NEATM 4.61 0.049 0.049 Masiero 2011ApJ...741...68M NEATM 4.95 1.020 1.020 Nugent 2016AJ....152...63N NEATM