value unc_up unc_lo author ref method 0.080 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM 0.090 0.0500 0.0500 Nugent 2016AJ....152...63N NEATM 0.155 0.0284 0.0284 Masiero 2011ApJ...741...68M NEATM