value unc_up unc_lo author ref method 13.11 0.187 0.187 Masiero 2011ApJ...741...68M NEATM 13.63 4.540 4.540 Nugent 2016AJ....152...63N NEATM 13.91 4.250 4.250 Masiero 2021PSJ.....2..162M NEATM