value unc_up unc_lo author ref method 0.049 0.0230 0.0450 Masiero 2021PSJ.....2..162M NEATM 0.050 0.0250 0.0500 Masiero 2021PSJ.....2..162M NEATM 0.061 0.0120 0.0120 Masiero 2012ApJ...759L...8M NEATM