value unc_up unc_lo author ref method 0.072 0.0035 0.0035 Masiero 2011ApJ...741...68M NEATM 0.080 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM 0.089 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM