value unc_up unc_lo author ref method 4.62 1.510 1.510 Nugent 2016AJ....152...63N NEATM 5.41 0.084 0.084 Masiero 2011ApJ...741...68M NEATM 5.79 0.309 0.309 Masiero 2011ApJ...741...68M NEATM