value unc_up unc_lo author ref method 0.030 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM 0.039 0.0235 0.0235 Masiero 2017AJ....154..168M NEATM 0.067 0.0129 0.0129 Masiero 2011ApJ...741...68M NEATM 0.073 0.0127 0.0127 Masiero 2011ApJ...741...68M NEATM