value unc_up unc_lo author ref method 0.190 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM 0.274 0.0533 0.0533 Masiero 2011ApJ...741...68M NEATM 0.281 0.0485 0.0485 Masiero 2011ApJ...741...68M NEATM