value unc_up unc_lo author ref method 0.061 0.0102 0.0102 Masiero 2011ApJ...741...68M NEATM 0.122 0.0490 0.0490 Masiero 2012ApJ...759L...8M NEATM 0.126 0.0230 0.0230 Masiero 2012ApJ...759L...8M NEATM