value unc_up unc_lo author ref method 10.49 0.318 0.318 Masiero 2011ApJ...741...68M NEATM 7.62 2.030 2.030 Masiero 2020PSJ.....1....5M NEATM 8.49 2.100 2.100 Masiero 2020PSJ.....1....5M NEATM