value unc_up unc_lo author ref method 0.130 0.0400 0.0400 Nugent 2016AJ....152...63N NEATM 0.322 0.0713 0.0713 Masiero 2011ApJ...741...68M NEATM 0.465 0.0974 0.0974 Masiero 2011ApJ...741...68M NEATM