value unc_up unc_lo author ref method 0.185 0.0344 0.0344 Masiero 2011ApJ...741...68M NEATM 0.240 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM 0.260 0.1400 0.1400 Nugent 2016AJ....152...63N NEATM