value unc_up unc_lo author ref method 0.302 0.0458 0.0458 Masiero 2011ApJ...741...68M NEATM 0.402 0.0667 0.0667 Masiero 2011ApJ...741...68M NEATM 0.410 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM