value unc_up unc_lo author ref method 0.040 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.055 0.0220 0.0380 Masiero 2021PSJ.....2..162M NEATM 0.070 0.0152 0.0152 Masiero 2011ApJ...741...68M NEATM