value unc_up unc_lo author ref method 4.92 0.171 0.171 Masiero 2011ApJ...741...68M NEATM 5.10 1.670 1.670 Masiero 2020PSJ.....1....5M NEATM 5.78 1.760 1.760 Masiero 2020PSJ.....1....5M NEATM