value unc_up unc_lo author ref method 8.07 1.870 1.870 Masiero 2020PSJ.....1....5M NEATM 8.63 2.740 2.740 Masiero 2020PSJ.....1....5M NEATM 9.64 0.311 0.311 Masiero 2011ApJ...741...68M NEATM