value unc_up unc_lo author ref method 0.310 0.0544 0.0544 Masiero 2011ApJ...741...68M NEATM 0.360 0.0900 0.0900 Masiero 2014ApJ...791..121M NEATM 0.376 0.0860 0.0860 Tedesco 2002AJ....123.1056T STM