value unc_up unc_lo author ref method 10.68 0.182 0.182 Masiero 2011ApJ...741...68M NEATM 12.74 4.540 4.540 Masiero 2020PSJ.....1....5M NEATM 13.05 3.980 3.980 Masiero 2020PSJ.....1....5M NEATM