value unc_up unc_lo author ref method 8.36 0.080 0.080 Masiero 2014ApJ...791..121M NEATM 8.40 2.460 2.460 Nugent 2016AJ....152...63N NEATM 8.41 0.310 0.310 Masiero 2012ApJ...759L...8M NEATM 9.14 0.081 0.081 Masiero 2011ApJ...741...68M NEATM