value unc_up unc_lo author ref method 0.185 0.0147 0.0147 Masiero 2011ApJ...741...68M NEATM 0.280 0.0500 0.0500 Masiero 2014ApJ...791..121M NEATM 0.608 0.0690 0.0690 Masiero 2012ApJ...759L...8M NEATM