value unc_up unc_lo author ref method 0.210 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.230 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM 0.285 0.0440 0.0440 Masiero 2011ApJ...741...68M NEATM