value unc_up unc_lo author ref method 13.30 0.870 0.870 Masiero 2012ApJ...759L...8M NEATM 14.21 0.090 0.090 Masiero 2014ApJ...791..121M NEATM 14.38 0.086 0.086 Masiero 2011ApJ...741...68M NEATM