value unc_up unc_lo author ref method 0.170 0.0238 0.0238 Masiero 2011ApJ...741...68M NEATM 0.170 0.0300 0.0300 Masiero 2014ApJ...791..121M NEATM 0.176 0.0335 0.0335 Masiero 2011ApJ...741...68M NEATM