value unc_up unc_lo author ref method 12.04 0.096 0.096 Masiero 2011ApJ...741...68M NEATM 8.36 2.000 2.000 Masiero 2020PSJ.....1....5M NEATM 9.39 2.030 2.030 Masiero 2021PSJ.....2..162M NEATM