value unc_up unc_lo author ref method 0.260 0.0467 0.0467 Masiero 2011ApJ...741...68M NEATM 0.260 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.311 0.0430 0.0430 Masiero 2012ApJ...759L...8M NEATM