value unc_up unc_lo author ref method 11.65 0.169 0.169 Masiero 2011ApJ...741...68M NEATM 12.82 3.890 3.890 Masiero 2021PSJ.....2..162M NEATM 14.37 2.320 2.320 Masiero 2012ApJ...759L...8M NEATM