value unc_up unc_lo author ref method 11.38 0.069 0.069 Masiero 2011ApJ...741...68M NEATM 7.71 2.150 2.150 Nugent 2016AJ....152...63N NEATM 9.23 3.060 3.060 Masiero 2012ApJ...759L...8M NEATM