value unc_up unc_lo author ref method 11.39 3.750 3.750 Masiero 2012ApJ...759L...8M NEATM 8.84 0.065 0.065 Masiero 2011ApJ...741...68M NEATM 9.28 3.110 3.110 Masiero 2020PSJ.....1....5M NEATM