value unc_up unc_lo author ref method 10.22 0.047 0.047 Masiero 2011ApJ...741...68M NEATM 10.73 0.049 0.049 Masiero 2011ApJ...741...68M NEATM 7.89 2.300 2.300 Nugent 2016AJ....152...63N NEATM