value unc_up unc_lo author ref method 5.94 0.091 0.091 Masiero 2011ApJ...741...68M NEATM 8.71 2.000 2.000 Nugent 2016AJ....152...63N NEATM 9.59 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM