value unc_up unc_lo author ref method 11.21 2.660 2.660 Masiero 2021PSJ.....2..162M NEATM 12.80 4.330 4.330 Masiero 2021PSJ.....2..162M NEATM 8.41 0.172 0.172 Masiero 2011ApJ...741...68M NEATM