value unc_up unc_lo author ref method 0.040 0.0140 0.0220 Masiero 2021PSJ.....2..162M NEATM 0.045 0.0220 0.0420 Masiero 2021PSJ.....2..162M NEATM 0.052 0.0110 0.0110 Masiero 2012ApJ...759L...8M NEATM