value unc_up unc_lo author ref method 0.107 0.0210 0.0210 Masiero 2011ApJ...741...68M NEATM 0.233 0.0650 0.0650 Masiero 2012ApJ...759L...8M NEATM 0.257 0.1943 0.1943 Masiero 2011ApJ...741...68M NEATM