value unc_up unc_lo author ref method 0.285 0.0736 0.0736 Masiero 2011ApJ...741...68M NEATM 0.370 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.378 0.0670 0.0670 Masiero 2012ApJ...759L...8M NEATM