value unc_up unc_lo author ref method 0.305 0.0428 0.0428 Masiero 2011ApJ...741...68M NEATM 0.379 0.0495 0.0495 Masiero 2011ApJ...741...68M NEATM 0.440 0.0700 0.0700 Masiero 2014ApJ...791..121M NEATM