value unc_up unc_lo author ref method 0.210 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM 0.230 0.0229 0.0229 Masiero 2011ApJ...741...68M NEATM 0.289 0.0830 0.0830 Masiero 2012ApJ...759L...8M NEATM