value unc_up unc_lo author ref method 11.90 0.108 0.108 Masiero 2011ApJ...741...68M NEATM 12.83 3.740 3.740 Masiero 2020PSJ.....1....5M NEATM 13.57 5.140 5.140 Masiero 2020PSJ.....1....5M NEATM