value unc_up unc_lo author ref method 0.467 0.0580 0.0580 Masiero 2012ApJ...759L...8M NEATM 0.928 0.0814 0.0814 Masiero 2011ApJ...741...68M NEATM 0.940 0.1000 0.1000 Masiero 2014ApJ...791..121M NEATM