value unc_up unc_lo author ref method 0.194 0.0159 0.0159 Masiero 2011ApJ...741...68M NEATM 0.230 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.285 0.1350 0.1350 Masiero 2012ApJ...759L...8M NEATM