value unc_up unc_lo author ref method 0.200 0.0700 0.0700 Nugent 2016AJ....152...63N NEATM 0.346 0.0421 0.0421 Masiero 2011ApJ...741...68M NEATM 0.433 0.0475 0.0475 Masiero 2011ApJ...741...68M NEATM 0.470 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM