value unc_up unc_lo author ref method 10.19 0.046 0.046 Masiero 2011ApJ...741...68M NEATM 8.71 0.710 0.710 Masiero 2012ApJ...759L...8M NEATM 9.01 0.230 0.230 Masiero 2014ApJ...791..121M NEATM