value unc_up unc_lo author ref method 0.040 0.0600 0.0600 Nugent 2016AJ....152...63N NEATM 0.046 0.0190 0.0340 Masiero 2021PSJ.....2..162M NEATM 0.057 0.0044 0.0044 Masiero 2011ApJ...741...68M NEATM