value unc_up unc_lo author ref method 0.112 0.0103 0.0103 Masiero 2011ApJ...741...68M NEATM 0.140 0.0173 0.0173 Masiero 2011ApJ...741...68M NEATM 0.150 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.160 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.180 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM