value unc_up unc_lo author ref method 11.66 0.167 0.167 Masiero 2011ApJ...741...68M NEATM 8.70 2.000 2.000 Nugent 2016AJ....152...63N NEATM 9.92 2.610 2.610 Nugent 2016AJ....152...63N NEATM