value unc_up unc_lo author ref method 13.45 3.550 3.550 Masiero 2021PSJ.....2..162M NEATM 13.91 3.330 3.330 Masiero 2021PSJ.....2..162M NEATM 15.61 0.194 0.194 Masiero 2011ApJ...741...68M NEATM