value unc_up unc_lo author ref method 10.20 0.058 0.058 Masiero 2011ApJ...741...68M NEATM 7.13 2.140 2.140 Nugent 2016AJ....152...63N NEATM 7.75 2.360 2.360 Nugent 2016AJ....152...63N NEATM 8.27 2.680 2.680 Masiero 2012ApJ...759L...8M NEATM