value unc_up unc_lo author ref method 4.66 1.220 1.220 Masiero 2020PSJ.....1....5M NEATM 5.13 0.230 0.230 Masiero 2011ApJ...741...68M NEATM 5.31 0.288 0.288 Masiero 2011ApJ...741...68M NEATM