Luminosity-density field of LRGs. The red spots are the brightest centers of superclusters, while the dark blue areas represent voids. The coordinates show the pixel number in the grid, 1 pixel corresponding to 3 h-1 Mpc. The upper limits of the main sample of galaxies (565 h-1 Mpc) and the part of the LRG field we use in our analysis (1000 h-1 Mpc) are marked with white lines.
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