value unc_up unc_lo author ref method 0.329 0.0874 0.0874 Masiero 2011ApJ...741...68M NEATM 0.340 0.0460 0.0460 Masiero 2012ApJ...759L...8M NEATM 0.370 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM