value unc_up unc_lo author ref method 2.50 0.780 0.780 Masiero 2020PSJ.....1....5M NEATM 3.40 1.091 1.091 Masiero 2011ApJ...741...68M NEATM 3.42 0.223 0.223 Masiero 2011ApJ...741...68M NEATM