value unc_up unc_lo author ref method 0.126 0.0490 0.0790 Masiero 2021PSJ.....2..162M NEATM 0.128 0.0480 0.0770 Masiero 2021PSJ.....2..162M NEATM 0.139 0.0840 0.0840 Masiero 2012ApJ...759L...8M NEATM