In both panels, the pink band represents the values of the Hipparcos solution within its margin of error while the yellow band represents the range of the alternatives to Hipparcos. The upper panels show the parallaxes ofthe 57 field twins of each Pleiades member sorted by decreasing brightness, while the median and dispersion of the final twin parallaxes are illustrated with the blue line and band, respectively. The lower panel displays the averaged individual twin parallaxes (blue triangles), Hipparcos parallaxes (red squares, HIP vL07), the alternative astrometric solution of Makarov (2002) (cyan diamonds, HIP M02) and the parallax measurement with the Hubble Space Telescope of Soderblom et al. (2005) (pink star, S05).