value unc_up unc_lo author ref method 0.117 0.0147 0.0147 Masiero 2011ApJ...741...68M NEATM 0.230 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM 0.309 0.0880 0.1230 Masiero 2021PSJ.....2..162M NEATM