value unc_up unc_lo author ref method 0.290 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.310 0.1200 0.1200 Nugent 2016AJ....152...63N NEATM 0.371 0.0568 0.0568 Masiero 2011ApJ...741...68M NEATM