value unc_up unc_lo author ref method 0.223 0.0420 0.0420 Masiero 2011ApJ...741...68M NEATM 0.260 0.0400 0.0400 Masiero 2014ApJ...791..121M NEATM 0.340 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM