value unc_up unc_lo author ref method 0.214 0.0580 0.0580 Masiero 2011ApJ...741...68M NEATM 0.226 0.0334 0.0334 Masiero 2011ApJ...741...68M NEATM 0.250 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.260 0.0100 0.0100 Masiero 2014ApJ...791..121M NEATM