value unc_up unc_lo author ref method 0.172 0.0240 0.0240 Masiero 2011ApJ...741...68M NEATM 0.190 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM 0.239 0.0520 0.0520 Tedesco 2002AJ....123.1056T STM