value unc_up unc_lo author ref method 7.65 0.236 0.236 Masiero 2011ApJ...741...68M NEATM 7.77 0.196 0.196 Masiero 2011ApJ...741...68M NEATM 9.58 3.180 3.180 Masiero 2020PSJ.....1....5M NEATM