value unc_up unc_lo author ref method 7.11 0.173 0.173 Masiero 2011ApJ...741...68M NEATM 8.31 1.990 1.990 Masiero 2020PSJ.....1....5M NEATM 8.71 3.100 3.100 Masiero 2020PSJ.....1....5M NEATM