value unc_up unc_lo author ref method 0.041 0.0083 0.0083 Masiero 2011ApJ...741...68M NEATM 0.050 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM 0.052 0.0381 0.0381 Masiero 2011ApJ...741...68M NEATM