value unc_up unc_lo author ref method 8.10 0.058 0.058 Masiero 2011ApJ...741...68M NEATM 8.82 2.400 2.400 Masiero 2020PSJ.....1....5M NEATM 9.08 2.800 2.800 Masiero 2020PSJ.....1....5M NEATM