value unc_up unc_lo author ref method 7.44 0.130 0.130 Masiero 2014ApJ...791..121M NEATM 7.49 1.700 1.700 Nugent 2016AJ....152...63N NEATM 7.55 0.062 0.062 Masiero 2011ApJ...741...68M NEATM 7.59 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 8.39 0.081 0.081 Masiero 2011ApJ...741...68M NEATM