value unc_up unc_lo author ref method 0.240 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM 0.290 0.1300 0.1300 Nugent 2016AJ....152...63N NEATM 0.353 0.0513 0.0513 Masiero 2011ApJ...741...68M NEATM