value unc_up unc_lo author ref method 8.54 0.590 0.590 Masiero 2012ApJ...759L...8M NEATM 9.62 2.430 2.430 Nugent 2016AJ....152...63N NEATM 9.95 0.201 0.201 Masiero 2011ApJ...741...68M NEATM