value unc_up unc_lo author ref method 0.234 0.0484 0.0484 Masiero 2011ApJ...741...68M NEATM 0.250 0.0600 0.0600 Masiero 2014ApJ...791..121M NEATM 0.258 0.0469 0.0469 Masiero 2011ApJ...741...68M NEATM 0.280 0.0200 0.0200 Masiero 2014ApJ...791..121M NEATM