value unc_up unc_lo author ref method 4.36 1.040 1.040 Masiero 2020PSJ.....1....5M NEATM 5.40 0.112 0.112 Masiero 2011ApJ...741...68M NEATM 5.74 0.142 0.142 Masiero 2011ApJ...741...68M NEATM