value unc_up unc_lo author ref method 10.10 0.190 0.190 Masiero 2014ApJ...791..121M NEATM 10.11 0.054 0.054 Masiero 2011ApJ...741...68M NEATM 7.97 2.500 2.500 Nugent 2016AJ....152...63N NEATM