value unc_up unc_lo author ref method 0.030 0.0130 0.0230 Masiero 2021PSJ.....2..162M NEATM 0.033 0.0160 0.0160 Masiero 2012ApJ...759L...8M NEATM 0.044 0.0230 0.0490 Masiero 2021PSJ.....2..162M NEATM