value unc_up unc_lo author ref method 0.050 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.060 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM 0.060 0.3210 0.3210 Masiero 2012ApJ...759L...8M NEATM 0.086 0.0129 0.0129 Masiero 2011ApJ...741...68M NEATM