value unc_up unc_lo author ref method 4.73 1.470 1.470 Masiero 2020PSJ.....1....5M NEATM 5.40 0.725 0.725 Masiero 2011ApJ...741...68M NEATM 5.87 1.687 1.687 Masiero 2011ApJ...741...68M NEATM