value unc_up unc_lo author ref method 5.06 0.419 0.419 Masiero 2011ApJ...741...68M NEATM 6.57 2.030 2.030 Masiero 2021PSJ.....2..162M NEATM 6.91 2.000 2.000 Masiero 2020PSJ.....1....5M NEATM