value unc_up unc_lo author ref method 0.207 0.0275 0.0275 Masiero 2011ApJ...741...68M NEATM 0.220 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM 0.240 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM 0.243 0.0325 0.0325 Masiero 2011ApJ...741...68M NEATM 0.260 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM