value unc_up unc_lo author ref method 11.85 1.570 1.570 Masiero 2012ApJ...759L...8M NEATM 6.87 0.118 0.118 Masiero 2011ApJ...741...68M NEATM 8.87 2.600 2.600 Masiero 2021PSJ.....2..162M NEATM