value unc_up unc_lo author ref method 0.030 0.0200 0.0200 Nugent 2016AJ....152...63N NEATM 0.040 0.0390 0.0390 Masiero 2020PSJ.....1....5M NEATM 0.061 0.0080 0.0080 Masiero 2011ApJ...741...68M NEATM