value unc_up unc_lo author ref method 0.630 0.0253 0.0253 Masiero 2011ApJ...741...68M NEATM 0.777 0.1411 0.1411 Masiero 2011ApJ...741...68M NEATM 0.790 0.1000 0.1000 Masiero 2014ApJ...791..121M NEATM