value unc_up unc_lo author ref method 0.306 0.0805 0.0805 Masiero 2011ApJ...741...68M NEATM 0.330 0.1000 0.1000 Masiero 2014ApJ...791..121M NEATM 0.374 0.0650 0.0650 Masiero 2012ApJ...759L...8M NEATM