value unc_up unc_lo author ref method 0.293 0.0281 0.0281 Masiero 2011ApJ...741...68M NEATM 0.300 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM 0.458 0.0790 0.0790 Masiero 2012ApJ...759L...8M NEATM