value unc_up unc_lo author ref method 0.200 0.0800 0.0800 Nugent 2016AJ....152...63N NEATM 0.210 0.0168 0.0168 Masiero 2011ApJ...741...68M NEATM 0.220 0.0900 0.0900 Nugent 2016AJ....152...63N NEATM 0.230 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM