value unc_up unc_lo author ref method 10.79 0.240 0.240 Masiero 2012ApJ...759L...8M NEATM 10.98 3.790 3.790 Masiero 2012ApJ...759L...8M NEATM 13.62 0.185 0.185 Masiero 2011ApJ...741...68M NEATM