value unc_up unc_lo author ref method 4.10 0.110 0.110 Masiero 2012ApJ...759L...8M NEATM 4.90 0.102 0.102 Masiero 2011ApJ...741...68M NEATM 5.14 0.140 0.140 Masiero 2012ApJ...759L...8M NEATM