value unc_up unc_lo author ref method 7.34 0.260 0.260 Masiero 2012ApJ...759L...8M NEATM 7.44 0.070 0.070 Masiero 2014ApJ...791..121M NEATM 8.03 1.450 1.450 Nugent 2016AJ....152...63N NEATM 8.37 1.750 1.750 Nugent 2016AJ....152...63N NEATM 8.47 0.081 0.081 Masiero 2011ApJ...741...68M NEATM