value unc_up unc_lo author ref method 7.51 1.310 1.310 Masiero 2020PSJ.....1....5M NEATM 8.92 2.360 2.360 Masiero 2020PSJ.....1....5M NEATM 9.21 0.145 0.145 Masiero 2011ApJ...741...68M NEATM