value unc_up unc_lo author ref method 8.21 1.920 1.920 Masiero 2020PSJ.....1....5M NEATM 8.65 0.058 0.058 Masiero 2011ApJ...741...68M NEATM 9.67 2.380 2.380 Masiero 2020PSJ.....1....5M NEATM