value unc_up unc_lo author ref method 22.37 0.060 0.060 Masiero 2014ApJ...791..121M NEATM 23.11 0.239 0.239 Masiero 2011ApJ...741...68M NEATM 25.76 10.040 10.040 Nugent 2016AJ....152...63N NEATM