value unc_up unc_lo author ref method 0.040 0.0300 0.0300 Nugent 2016AJ....152...63N NEATM 0.042 0.0220 0.0480 Masiero 2021PSJ.....2..162M NEATM 0.046 0.0190 0.0320 Masiero 2021PSJ.....2..162M NEATM 0.131 0.0129 0.0129 Masiero 2011ApJ...741...68M NEATM