value unc_up unc_lo author ref method 14.48 0.290 0.290 Masiero 2014ApJ...791..121M NEATM 14.62 0.197 0.197 Masiero 2011ApJ...741...68M NEATM 32.30 3.100 3.100 Tedesco 2002AJ....123.1056T STM