value unc_up unc_lo author ref method 0.039 0.0052 0.0052 Masiero 2011ApJ...741...68M NEATM 0.069 0.0380 0.0820 Masiero 2021PSJ.....2..162M NEATM 0.086 0.0550 0.0550 Masiero 2012ApJ...759L...8M NEATM