value unc_up unc_lo author ref method 10.43 0.450 0.450 Masiero 2012ApJ...759L...8M NEATM 16.03 0.350 0.350 Masiero 2014ApJ...791..121M NEATM 16.41 0.229 0.229 Masiero 2011ApJ...741...68M NEATM