value unc_up unc_lo author ref method 4.18 0.980 0.980 Nugent 2016AJ....152...63N NEATM 5.38 0.096 0.096 Masiero 2011ApJ...741...68M NEATM 5.86 0.170 0.170 Masiero 2012ApJ...759L...8M NEATM