value unc_up unc_lo author ref method 0.185 0.0325 0.0325 Masiero 2011ApJ...741...68M NEATM 0.230 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.280 0.1000 0.1000 Nugent 2016AJ....152...63N NEATM