value unc_up unc_lo author ref method 0.292 0.0318 0.0318 Masiero 2011ApJ...741...68M NEATM 0.300 0.1600 0.1600 Nugent 2016AJ....152...63N NEATM 0.333 0.0556 0.0556 Masiero 2011ApJ...741...68M NEATM