value unc_up unc_lo author ref method 0.143 0.0181 0.0181 Masiero 2011ApJ...741...68M NEATM 0.170 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.182 0.0280 0.0280 Masiero 2012ApJ...759L...8M NEATM 0.200 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM