value unc_up unc_lo author ref method 0.180 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.200 0.1100 0.1100 Nugent 2016AJ....152...63N NEATM 0.292 0.0803 0.0803 Masiero 2011ApJ...741...68M NEATM