value unc_up unc_lo author ref method 14.01 0.460 0.460 Masiero 2012ApJ...759L...8M NEATM 16.74 0.150 0.150 Masiero 2011ApJ...741...68M NEATM 17.13 0.120 0.120 Masiero 2014ApJ...791..121M NEATM