value unc_up unc_lo author ref method 0.93 0.320 0.320 Nugent 2016AJ....152...63N NEATM 0.96 0.040 0.040 Nugent 2016AJ....152...63N NEATM 1.06 0.014 0.014 Mainzer 2011ApJ...743..156M NEATM