value unc_up unc_lo author ref method 14.02 0.210 0.210 Masiero 2014ApJ...791..121M NEATM 14.26 0.207 0.207 Masiero 2011ApJ...741...68M NEATM 16.35 10.100 10.100 Masiero 2012ApJ...759L...8M NEATM