value unc_up unc_lo author ref method 4.78 1.440 1.440 Masiero 2021PSJ.....2..162M NEATM 5.63 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM 5.65 1.580 1.580 Masiero 2021PSJ.....2..162M NEATM