value unc_up unc_lo author ref method 10.33 0.400 0.400 Masiero 2011ApJ...741...68M NEATM 8.25 2.310 2.310 Masiero 2020PSJ.....1....5M NEATM 9.46 2.350 2.350 Masiero 2020PSJ.....1....5M NEATM