value unc_up unc_lo author ref method 3.55 0.222 0.222 Masiero 2011ApJ...741...68M NEATM 4.43 1.100 1.100 Masiero 2021PSJ.....2..162M NEATM 4.87 1.380 1.380 Masiero 2021PSJ.....2..162M NEATM